A/N:
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One last thing- this was the chapter I should've posted on Saturday (09/24/22). It got delayed because I went to a 'Con. I don't regret it. Sorry. ;) If you really don't want to miss out for a while... go check out that Patron site. It's up to Ch73 now actually... I think. Might be 72.

Chap. 43: Magium Sybbilis

"What do you mean, I'm not getting a blow-job during brunch?" Ron asked with a frown. He looked particularly grumpy among the lot of friends that had slowly woken and showered near ten-thirty the next morning, "She always does if she's there," he finished, nodding in Lyra's direction.

Despite being up for two hours longer than most of them, Lyra was just as chipper and awake as ever, having received more than ample 'feeding' from Harry and the others. "I'm going to be busy," she said easily, "like Master said, if you were paying attention."

Everyone that had been in the small orgy the night before was present except for its target. Hannah was still in the dungeon, quite asleep and worn out, though since waking Lyra had made it a point to clean up everyone's leavings, even wiping up her own, so that at least Hannah wasn't likely to wake up stinky and sticky. "Doing what?" Ron grumbled.

"Getting ready for this afternoon," Lyra shrugged, "getting people together. I've got plenty of energy for either you or Hermione."

Ron blinked, clearly not getting it. "She means another orgy," Harry explained, "like we did for Ginny. You know- the second set of Runes?"

"O- Oh," Ron said, understanding dawning, "I got it. That, er, that's worth it. Still, it's gonna suck not being able to get rid of my stiffy during brekkies."

"I'm sure someone will be willing to take care of you after, Ron," Hermione said, taking his hand, clearly rolling her eyes, "I mean, it's not like I don't have the same issue with always being randy these days, and Hannah will probably be awake soon, too."

Ginny, standing next to Harry, leaned into him and whispered, "Or I could wank him at the table... that'd go over well, right?"

Harry grinned, and gave her arse a little slap, "Naughty, Ginny. Anyway, you lot need to get going or you'll miss it."

The red-head pouted, "You aren't coming?"

"Not yet," he laughed, "Er... later. I ate already."

"That's so not fair," Ron muttered, "that you need so much less sleep."

"I know," Harry shot back, "but hey, my Contract. You're enjoying plenty of benefits, and you know it. I, er... have a few people in mind that Lyra and I will try to recruit quickly. Who of you wants to go today?"

Hermione and Ron shared a measuring look, before the taller pointed at his lover, "Hermione. It still makes me a bit nervous."

The brunette blinked in surprise, "You- won't be jealous?"

"Nah," Ron replied, "Not about this. I chose it, didn't I? Besides, I kinda wanna see..."

Hermione blushed, but not as deeply as Ron did, clearly having gotten some sort of message that Harry missed.

Lyra, though, glanced between the two, grinning, "Ooh, whatever you're thinking seems like it'll be fun. We can definitely try to work whatever it is in. You lot get to brunch. Or lunch rather, it's getting late for the former. We'll hopefully have a group assembled when you get back."

Ginny led the way, though her hand lingered in Harry's until she was a couple short paces away before her fingers slipped free. Neville followed, then Ron, who led Hermione out into the hall. She came back before the door began to shut behind them and whispered, "Um... will Seamus and Dean be there?"

Harry thought about it for a moment and replied softly, "If you want them to be, or either one. It's for you, Hermione. They haven't spread it around as far as I know. Anyone you do or don't want?"

The girl was quiet for several seconds, aside from putting her head back out into the hall and telling Ron she'd be along in a moment. Then she stepped inside fully and shut the door most of the way. She looked shyly down at the floor, and murmured, "I... there are... a couple. Dean is fine. I'm not really that into Seamus, but he'll... do, I suppose. I think we should let Hannah rest unless she wants to join in, then of course she's welcome. But I, um... I used to kind of fancy Ernie. Ernie Macmillan, in Hufflepuff. Any- any other blokes are okay, except for Malfoy and his goons of course."

"Right," Harry said with a nod, "I'll do what I can, then. It's a bit short notice, but we'll at least get you some fun. See you later, Hermione."

While Lyra went off to find Dean and probably seduce him back to their private rooms for the afternoon and probably night, Harry left in search of Ernie. He knew already that the Hufflepuff sixth-year was a studious boy, and while he could be a bit pompous, he was otherwise genuine and friendly, traits that caused Harry to like him more than any other boy in his house. He reminded Harry a lot of Neville if his shyness and lack of self-confidence had been turned into a bit too much.

Aided by the Marauder's Map Harry found the boy at the library within fifteen minutes and waited nearby, pretending to read, until he'd left his circle of friends at their table and wandered into the stacks.

A few minutes later, while Ernie was still looking through the haphazard arrangements, Harry sidled up to him, "Hi, Ernie," and looked toward the same shelves.

The Hufflepuff, it seemed, was working on Care of Magical Creatures, one of Harry's favorite classes that he'd been forced to drop this year due to the heavy course load. "Er, hi, Harry," the boy responded, giving him a single glance, "Can I help you?"

"Maybe," he acknowledged, glancing about and finding no one nearby. Still, he leaned in and whispered conspiratorially. Preferring a more blunt approach with the open young man, he asked, "We're having a bit of a party in the castle for some select folks. Good chance of birds that are up for some fun, if you're interested."

Ernie promptly dropped the book he'd just pulled out from the shelves. "Wh- What're you on about?" he asked after retrieving it. He was glaring at Harry suspiciously, red-faced too.

"I'm talking about shagging," the dark-haired wizard leaned in a bit further, "witches. There'll be other blokes there, but it's the witches we're going for. Unless it's not for you? I don't want to assume."

"You're having me on," Ernie decided, "And I'm not falling for it. And I'm into witches."

"No, really," Harry laughed quietly, forcing himself to stop after just a moment, lest Madame Pince the Librarian call him out and kick him out of the Library. "We're talking three or four girls, and four or five blokes- the girls will be entertaining everybody, so to speak. One in particular asked me to ask you."

"Who?"

Harry grinned at the slightly taller blonde boy's suspicious, narrowed eyes. "Not telling until after you agree or not. Look, the offer's good today only- in fact, soon, in just a couple hours from now. It might not come again. I promise, there's no trick, no deception. The only price is, you never, ever mention it to anyone outside the group that it happened. It stays completely secret."

"And what's the benefit, then?" Ernie asked, the caution still quite apparent, though Harry could see his resolve wavering.

"You mean aside from shagging at least three different witches in one go?"

Ernie nodded, turning red again.

"Nothing, yet," Harry said with a shrug. "Maybe not ever. But are you saying three witches in one night isn't enough?"

"W- Well, when you put it like that," Ernie muttered, glancing back at the shelves, then down the stacks in the general direction of the table he'd just left. "I... I suppose I could go check it out?"

Harry grinned, clapping Ernie on the back, "Good choice. Anyway, here's what you have to do to get there."

He relayed the directions to the Room of Requirement, but only about a quarter of the way in, Ernie chuckled, "So, the D.A. room?"

"Not exactly," Harry shot back, smiling himself, "if you don't see me or Ron outside, it's there, but... think of 'the Library'. Okay?"

"The- but we're here now," Ernie frowned.

"Trust me."

"Alright, alright," Ernie muttered, glancing again toward his friends' table, "I guess I can go tell them something's come up, think of a better excuse later."

"Alright," Harry said, and quickly made his way down to his private quarters once more for his trunk. He had a few things he wanted to bring up for the occasion... things he thought Hermione might like.

Even if Hermione didn't, at least he would.

When Harry led Ernie Macmillan, the last to arrive, into the Room of Requirement's version of a library, the newcomer to their 'parties' wasn't the only one who was gawking.

He had expected something like the Hogwarts Library, but he quickly realized it wasn't quite the same. There were stacks and stacks of books everywhere, shelves stretching 'as far as the eye could see', though he knew most of it was an incredibly believable illusion. Only two tables, which were surrounded by comfortable wooden chairs with deep mahogany or maybe oak construction and a smooth varnish stood in the reading area while a smaller librarian's or assistant's desk, with blotter and ledger visible over the top, stood a few feet away by a card catalog of a style Harry hadn't seen since he was in primary school.

Ginny was dressed, and was allowing Dean to fondle her over her clothes much as she might have done while they were still dating, with him standing behind and over her. While they'd left a note for Hannah, the girl didn't seem to have woken yet, and Harry didn't know if she would be coming at all. Neville, though, already had a hand rubbing the thick bulge in his pants as he watched both Dean and Ginny, and Lyra as she helped Ron put the 'finishing touches' on Hermione with one of the objects Harry had brought up: a roll of silvery duct tape.

The target of the evening, it seemed, had chosen her position: lying bent over a table with a thick tome in front of her so she could read, and her ankles taped fairly securely to the legs of each side of a narrow table end. She was fully clothed, but Ron or someone had flipped up the girl's skirt to reveal silken red knickers, which were already darkening between her legs, and did little to hide Hermione's delicious, round bum.

The bookworm, already reading (not that Harry expected different, with a book open in front of her), gave a little wiggle as Ron asked, "Feeling alright still?"

"It's perfect," she replied quietly, voice shaking slightly, "I know I can get away with magic, but this is... mmm. Is everyone here? Can we get started?"

Lyra had already known Harry was there, of course. She seemed to be able to sense his presence the same way he could hers, but she still glanced back to see Ernie as well. "I think so. Harry and your Hufflepuff just came in. Same sort of rules for Ginny. It doesn't matter who or when or where for this, but every person present needs to climax using your body in some way, and get their emissions directly onto your skin at some point before I can start doing the ritual itself. Dean, I'm reminding you that you are allowed, tonight, to climax with Hermione, but ask before you do it inside her. Ernie, here's how this works."

What followed was a brief run-down of the basically the same instructions Harry had given to Seamus and Dean two weeks earlier, explaining that yes they were doing a sex ritual, yes he could enjoy the company of all three women (and Hannah if she arrived), but that the focus, at least at first, had to be on Hermione. Finally, that while Lyra was drawing the Runes themselves, any sex with her needed to not interfere in her work.

"Er, I think I get it," Ernie murmured, glancing nervously about the group, "but I... I mean, I'm not a virgin, but..."

"Liar," Ron laughed.

He was quickly silenced by Lyra, though, who interjected, "He's not, but he's only been with one person. It's fine, Ernie. Keep up as best you can. You can be the first to finish with Hermione if you and she would like, but we can also help you out once you've climaxed once. It will help you later."

"Er, alright..."

Then, to Harry's surprise, the boy began to open his oxford shirt. Once he was finished, he stepped out of his shoes and pushed down his pants, revealing a semi-erect dick of, as far as Harry could tell, average size. "You're... you're waiting for me, right?"

Ron shrugged, "We don't have to. But you want to go first, right?"

"We're, um, taking turns?"

"Nah," Neville answered casually, beginning to strip himself, "just giving you the first go. We'll all join in as we want."

Ernie nodded, gulping, then pushed his pants the rest of the way down and shrugged off his shirt, blushing deeply as he saw the eyes of everyone in the room except Hermione, who was facing the other way, on him. With a bit of obvious caution, the boy stepped over to Hermione then, standing behind her. "Can I- can I t-touch you?"

"Mm," Hermione cooed, giving her arse a little wiggle, "I'm reading, but you can have fun back there."

Harry could physically smell Hermione's arousal, the clover-honey scent wafting through the high-ceiling library setting. She took one hand from the book and reached back, making sure her skirt was up, then gave one of her cheeks a squeeze. "Do you like my bum, Ernie? I've seen you looking a few times."

"Er, it's, um, p- pretty good, yeah," he stammered, turning red again.

Hermione wiggled again, "Touch it. You can just fuck me too, I want you to. You don't have to be scared. I've been looking forward to this."

"I-"

Seeing Ernie's clear nerves and hesitation Harry stepped forward, but Ginny beat him to it, stepping up behind the older wizard and putting her hand around his cock. Ernie froze, then sighed as she started stroking, pressing her pale body into his back and standing on her toes to whisper, just loud enough for all to hear it in the silent library, "She really does want this. She wants this dick of yours in her pussy... don't you want her?"

"Y- Yeah, 'course I do," Ernie muttered, "it's just... weird, with everyone- everyone watching."

"I see," Ginny slowly, dropping onto her heels and stepping around the boy, still stroking him, "would it help if I got her excited for you? More excited, anyway?"

She didn't wait for Ernie to reply. Instead, Ginny only turned around and took the two steps necessary to reach Hermione, making sure to add a little extra sway to her hips, then put her hands on Hermione's rear. They slid down her muscular thighs as the younger girl sank to her knees, then back up, before Ginny finally pulled a bit at Hermione's rear cheeks, then stuck her face between them.

Almost at once, Hermione started to moan.

Harry joined the other boys in removing their own clothes while they watched Ginny 'warm up' Hermione, though Lyra kept hers on for the time being. It was easier to 'lose' the clothing if those who didn't know her nature (Ernie alone, though maybe Dean was still iffy on the subject) were watching.

After he was undressed, Ron chose to go around the table's corner and reach down to run a hand over Hermione's still-clothed back, then up her side and push it below her to grab at the side of one breast.

Only a couple of minutes into her cunnilingus, Ginny pulled away and stood up, turning with a slime-covered chin and cheeks, showing Ernie openly as she licked it up, "Made her cum already... she's really ready."

Ernie swallowed, then stepped in as Ginny moved to the side, her own hand falling on his and helping him aim, whispering quiet words of encouragement.

Harry watched not his face, though, but Hermione's beautiful derriere as the Hufflepuff pushed into her body, warping soft brown, furred flesh as he did. She sighed, "Yeess... that's it... gods, I'm such a slut... shag me, Ernie. Shag me hard."

"H- Hard, huh?" Ernie didn't seem to want to obey, though, for he started moving at a slow, measured pace, gently feeling around the round globes as he pushed into them and pulled back. He had stroked just ten times over the course of thirty seconds or so, before he dared run a hand up Hermione's back underneath her shirt.

She sighed again, and Ginny, on Ernie's side, leaned up to nibble on his ear, whispering, "Yes... give her that dick, but don't let her take charge. She's our toy tonight. Cum on her body all you want, Ernie. Fuck her in the ass, too, if you want, or the mouth. She loves that. You can have me after, if you want, or Lyra... plenty of time for everyone."

Ernie groaned, closing his eyes with an expression of almost-pain, and ejaculated without warning. The first pump, Harry knew since he was standing on Ernie's opposite side, was deep into Hermione. The second was as he tried to pull out, but the next three splattered all over her rump and then his hand as he stroked madly, "M- Merlin," Ernie gasped, "I... never... too fast! S-Sorry! I..."

"It's fine, this time," Hermione murmured, "I'm safe, but... not again, okay? On me is... oh god, you're so hot inside me..."

Harry knew, though, that while Hermione was safe from pregnancy thanks to the birth control pills she still took, and safe from disease due to the Runes she had or was getting, they still needed to keep most of Lilith's powers secret lest Voldemort deduce her existence and servitude to Harry. There was still an easy enough solution though, one that Harry suspected Ernie might just believe, if only because he wanted to. "Lyra... want to clean her out?"

"With pleasure," the Succubus moaned, sidling up and taking Ernie's place, mimicking Ginny's movements before using her tongue, he knew, as a way to stealthily clean up any remnants, and at least reduce the chances of information get out.

The sight was arousing of course, but Ernie seemed too embarrassed by his quick climax to be able to work up an erection again, so a gently-smiling Ginny sank to her knees in front of him and started licking up his residue, instead.

The other boys watched on as she did, Harry finding the sight of his Pet servicing someone else on his orders powerfully erotic. She really does want to make it good for him, because she knows I want her to. Once he was good and hard again, Ginny stood up, took Ernie by the dick in one hand, and led him back to the table on the opposite side from Ron. She laid down on it, opening her legs to Ernie. "Me next," she murmured, "I'm ready. No foreplay needed."

"What's foreplay?" Ernie asked softly, then glanced at Harry. "Er... it's alright?"

"Tonight it is," he answered, "And as for the foreplay... keep your eyes open tonight, you'll learn something."

This time, no one commented on Ron watching Ernie shag his sister, nor that Ron only started stroking himself after they'd started, but he quickly hiked one leg up onto the table and leaned in, presenting half his length for Hermione's mouth, in turn. Then Lyra pulled back, glistening almost as much as Ginny had been. "Dean? I think you want to go next, right?"

"S- Sure," the black boy murmured, stepping in and running a few fingers through Hermione's swollen slit before pushing in himself. She gasped, redoubling her efforts on Ron's cock, but still kept her eyes on the book even as one hand sought out Ginny's chest blindly.

From the looks of things Dean was going to last a little while longer, so Lyra used the distraction of Ernie being fully involved with Ginny to step behind him, fly up a little bit, and let a small dose of dust from her wings fall onto the group, centered on the newcomer alone. His earlier slow, methodical movements, like he had with Hermione just a couple minutes earlier, vanished within seconds. Instead, he started pounding in, thrusting for all he was worth, grunting and panting.

Ginny moaned as her hands rose to seek his chest, urging him closer, and maybe one of her hands circled Ron to pull at his arse... she was being shagged rotten, and couldn't be sure, right?

Lyra beckoned to both Neville and Harry, then, pointing toward the last clear spot on the table, beyond Ginny and Neville, "Who's on bottom?"

"Er, I will," Neville said quietly, "Um... can I fuck your bum, Lyra?"

"Please do," the Succubus purred, tapping his short, wide erection at the tip, then circling his deep purple head with her fingertips, "After you, stud."

Neville climbed on, and just a minute later, Lyra, facing up, sank onto him with a sigh of pleasure, not bothering with lube. "Mm, full..."

Harry, though, had just had an idea with watching her arsehole stretch. "Pet, can you manifest your tail but keep it invisible?"

"Of course, Master," she returned, and a moment later the black, semi translucent limb became visible to him and her alone. Harry reached down, sliding it in his grip until he held just the silky-soft, smooth spade tip, and pushed it against her nether hole. "Two in your ass is better, right?"

She didn't respond except to grunt as he pushed the tip in, though Neville yelped in surprise. He kept moving though, one arm circling Lyra's slender waist, and the other reaching down to grab at Ginny's other small tit.

Only then did Harry lean in not to drive into his Pet but to lick her, because the sweet smell of her arousal was intoxicating, and Harry felt like he hadn't done enough of it lately. Sure, it was a bit odd having Neville's balls slapping her flesh, occasionally even hitting his chin, but Harry was getting more used to that, and cared less and less every time something like it happened. So he kept licking, doing nothing more to fill the Succubus' pussy than put in a single finger and twist it, occasionally performing her favorite 'come hither' movement, while Neville took her more forcefully from behind.

Ernie climaxed again, but this time he was able to pull fully out and stroke madly while he painted Ginny's stomach and chest with thin but long ropes of his seed. Ron, perhaps spurred by the sight and perhaps not, climaxed into Hermione's waiting, eager mouth, which prompted her own orgasm. That fluttering made Dean blow immediately after, while Neville's short, harsh poundings kept going beneath Lyra.

Harry looked up the curvy body of Lyra's half-Asian form, admiring how her stomach was pulled taut and then contracted in time with Neville's thrusts, how her round, full breasts swayed in circles and bounced, jiggling, together. She was looking down at him, too, watching as he continued to suckle on her clit, or move his tongue through her folds with more puissance than ever before.

He knew what it was like now, after all.

She climaxed, perhaps sensing his thoughts and growing lust, and her contractions made Neville fill her, too.

When Harry had finished licking through it, Harry moved back to let her and Neville change positions if they wanted, and looked to his right.

While he'd been caught between Lyra's thighs Ginny had moved over a bit, and was now kissing Hermione passionately while Dean rubbed his large cock up and down her pale, sex-reddened pussy, but wasn't yet in her. Ron was now behind Hermione, and Ernie was half-erect, clearly trying to work himself back up as he stared at the lot of them.

He seemed a bit embarrassed to be caught staring at Harry's much larger, fully erect cock, but Harry said nothing. It wasn't a matter of pride for him, not anymore, if he could change it with a few moments' effort. No fair, in other words, as far as any 'competition' could be from genetics.

He stepped around to take his wand again, cutting Hermione's legs free, and putting it back away. "Aww," she moaned, casting a glance backward, "I was having fun, Harry."

"Later," he murmured, "I need some mobility for a bit. Doesn't her cunt feel great, Ron?"

"Fucking best one I've ever had," Ron grunted, dealing a slap across Hermione's rear, which made her jump and squeal, then giggle.

"I'd be offended, if I didn't somewhat agree," Lyra offered as she slid over Ginny, face-down, and offered her own crotch for eating while popping Dean's fat, dark brown head into her own mouth as he continued rutting at Ginny's slit.

Harry grinned, reaching over Hermione to thread his fingers through her hair, then using his other hand to push two fingers knuckle-deep in her anus. She winced and gasped, throwing her head back.

Neville, instantly hard again like he and Ron were right after a good orgasm, grabbed the bookworm by the head with one hand, and put the other under her armpit to pull her top half to the edge of the table, allowing him to shove his member against the girl's lips.

Harry boggled at how Hermione had changed. Even a year ago, less than that, she would've castrated anyone who had done that, or worse.

Now she moaned wantonly, turning her head to provide a new and exciting angle, sticking her tongue past her stretched-wide lips to flick it along Neville's scrotum even while she took his whole length in her distended mouth.

Lyra let Dean's head pop out of her own mouth then, and angled him down on his next pump to push into Ginny, who yelped herself, then gasped into the Succubus' core, "So b- big!"

The Succubus didn't leave it at that, though. She seemed determined to make the human beneath her climax before she did, so she leaned in, head tilted considerably, to begin flicking her tongue a full five inches past her mouth to lash against Ginny's tiny beaded clit.

Still Harry watched on, though he was tempted to cross behind Neville and use either Lyra's cunt or Ginny's mouth- maybe both- for his pleasure. But no... he wanted to be with Hermione first, today. It was her special day, after all, like Ginny's had been a couple weekends ago. If that meant letting everyone else (or at least the blokes) have her first, then so be it. He could wait.

It wasn't like he wasn't getting his own action, after all, and Harry had always been generous with what he had, even when it was nearly nothing.

That also didn't mean he couldn't participate, and that was why he'd brought more than just the tape up from his room. From inside his pants pocket again, Harry pulled the shrunken form of the long, purple dildo that Lyra had purchased in her social worker guise of Lilian Vergot, and expanded it fully. Then he did step around to Lyra's shaking rump, which was driving helplessly against Ginny's talented tongue, and reached out to spread her folds with one hand. The Succubus moaned, and beneath her Ginny did the same as she looked up at him, her soft brown eyes glimmering with amusement and lust.

When he pushed the shaft in, Lyra began to orgasm at once, already near the edge from Ginny's efforts. Having a rod quite as large as Dean's shoved into her quickly proved too much, and the Succubus squirted against Ginny's mouth, her nose, and even a bit flicked up to land droplets on Harry's chin as her pelvis ground down and back up furiously.

He sawed it back and forth until Ginny climaxed too, half a minute later or so, then left the slender girl to take over, and moved back to Hermione, whose eyes were rolling back in her head with the force of Ron's pounding on one side, and Neville's on the other.

He waited, only trailing fingers along his own huge cock, until Ron finally pushed in fully, filling Hermione with his spunk before slowly pulling out. Then, while his mate's own large load was still running out of the dripping hole, half-filled with bubbling white goop, Harry shoved his own length all the way in... and he was larger than usual, nearly a full inch longer.

Hermione gasped as he pushed past her cervix, too. She could normally just feel him brushing against it, even with his expanded size before, but now, she shuddered with a strange combination of incredible pain and pleasure mixed together, and her eyes really did roll back in her head as she lost consciousness briefly.

Buried to the hilt in the girl, who had collapsed seconds after he drove home, Harry willed himself just a little larger still. Wider, and even longer. He felt her walls stretch and smooth, pull taut around him, even as the lubricant made Hermione's channel even more slick than Ron's leavings had. Then he started moving, emulating Ernie's slow, measured pace for the time being, as he leaned in low over Hermione to see her cheeks bulge with Neville's penis as he kept rutting.

Ron grinned, cock laden with his and Hermione's juices, and moved to stand at the end of the table where Harry had been before, and flicked a dollop of the mix onto Ginny's forehead before climbing completely onto the table and leaning down to squat over Lyra, and pushed into her rear. The moment he did, Lyra started panting and gasping. Her cries of passion apparently had allowed Ernie to return to full mast, for he sidled up next to Dean and asked, voice hazy with lust and eyes clouded, "Er, never had a girl use her mouth on me. Can I...?"

Perhaps predictably, Lyra scooted over a little, angling the upper half of her body off of Ginny's abdomen to reach him, then started going down on the boy.

Dean yanked out of Ginny, big hands jerking wildly on his long cock while he spurted over her tummy and Lyra's shoulder, then took a few steps back, gasping, before he fell limply into one of the chairs to watch for a moment while he recovered.

Harry, meanwhile, slowly withdrew from Hermione, hating himself from doing it, and once he was, reached down with his prodigious strength to roll her over so she was face-up, and dove in once more. He fisted two hands into her blouse and ripped it open, sending buttons flying, then repeated the process with what had been a nice, sky-blue bra, then leaned in to suck on one teat. Hermione started to moan as she came to again, one hand moving up to curl in Harry's hair. "I liked that bra," she moaned.

"I'll buy you another, then," Harry grunted. Even though he had been waiting, he wasn't close to climax yet, but he was very much enjoying the process of getting there as Hermione's walls, stretched perhaps further than they ever had been, molded and warped around his new, larger size. "You want some more cocks, slut?"

"I want all the cocks," Hermione moaned, pushing her hips up to match his in time with the slow process, "In my ass, my young pussy, on my tits, in my mouth... I want them everywhere. I'm a slut, Harry, I'm your slut."

"That you are," Harry groaned, then looked up at Lyra, who was still being impaled on either end by Ron and Ernie while she was eaten out again by Ginny beneath her, "Lyra, once they're done, I want a round of Fog on everyone here."

She didn't respond, but Harry knew she'd heard.

He was past caring if Ernie knew she was a Succubus.

He just wanted Hermione (and the others) to have as much pleasure as they could, even if the Fog barely worked on him.

He didn't need it, but Harry wanted the others to lose control.

"Do you want me to make you pregnant?" Harry asked again, quieter, whispering into Hermione's ear as her body shook beneath him, "I probably can... maybe not through your birth control, but I'd give you a child, if you want one. I love you."

"I know," she whimpered back, hand in his hair tightening to a fist as she gasped, "One day, Harry- but I want you to cum in me anyway. I love your cum, yours and Ron's, and Lyra's, and-"

He did, spurred on by her dirty talk and clear desire for him. As was becoming more common, lately, it wasn't what one might call the 'normal' two tablespoons or so, either.

Harry felt like that much was released in the first spurt... and there were nine more behind it, each moving from his balls upward past his long, long pipe and out into her womb, the first time he'd ever filled it completely. He left her stomach bulging while he pulled out, still hard.

"That's enough from the blokes," Lyra murmured as she pulled up, dripping cum herself, from Ron and Ernie, "I need to get to work soon. Ginny, let Hermione lick you now- in fact, both of you eat each other for a bit."

Then she shifted, growing her wings and tail and horns on Lyra's normal form, and rose up into the air.

Dean and Ernie both blinked, wide-eyed at the first true reveal either of them had that Lyra was not a normal human witch, but settled quickly back into uncaring lust as the faint pink dust fell over them.

Harry moved over to the Hufflepuff first, tilting his chin up, and doing his best to will his Eye of Dominance to activate. "You will forget that Lyra has wings and a tail. Lyra can't fly- you must have been dreaming or imagining it. Your mind is so foggy with lust right now, it's hard to make sense of things, but you had a great time tonight, shagging Hermione and Ginny, and having Lyra blow you. Now... sleep."

This time, Harry knew it worked, at least partially, because Ernie immediately slumped in the chair and began to snore quietly.

"H- Harry?" Dean murmured while he took two sideways steps to the next chair. "What- what're you- what did you do to-"

"Relax," the boy told his roommate, "I'm not doing the same to you."

He activated the power anyway, though, just to be sure, "Lyra is Lilith, the Succubus. You won't tell anyone, ever, about that, but you will know. She is your Mistress, and you obey her. She wants you to keep this quiet from everyone we- she or I- don't tell you to. Isn't that right, Lilith?"

Lyra, who was just settling to the floor and allowing her extra appendages to vanish again, smiled his way and chirped, "That's right."

Dean nodded, eyes glazing with pink and white light.

"Rest, you've earned it. When you are ready, you can join us again, but remember this is work time. Don't make Lyra or Hermione bounce until she's finished."

"Yes," Dean murmured woodenly, relaxing into the chair himself though he was already stroking a hard-on thanks to the second dose of arousal-inducing dust.

Harry turned back to his friends to find Ginny sixty-nining Hermione and Lyra on her knees next to the table blowing Ron and Neville, alternating between them, then putting both in her mouth for a moment. The two boys shared a look, but also shrugged as if to say, "What are you gonna do, stop?"

Harry understood the feeling. It would be more fun for everyone if they were all a little less squeamish about genital contact. You couldn't both stretch out a vagina if you couldn't stand to be in contact, right? Speaking of... Nah, later, he decided, then moved to where Ginny's tongue, showing no signs of fatigue yet, was flittering in a blur over Hermione's snatch.

The red-head, hair framing both her face and the girl below her, looked up as he approached, "Hey, Harry- want to be in her again? She's rea-mmf!"

"I think I'd rather be in your throat first, Pet," Harry murmured, two inches of his new, larger size in Ginny's mouth.

She glanced up at him reproachfully, but swallowed around him, and started trying to use her tongue to please him even more all the same.

He pushed further, and she gagged, but didn't tell him to withdraw. "Gods, your throat is tight, Gin," he gasped, taking her by the head as he pushed in just a little more. She convulsed around him, but Harry couldn't push further. Well, he could, but not without hurting her. Reluctantly, he forced his member back to something more approaching how he had been before meeting Lilith, and was suddenly able to nestle the girl's cute, freckled nose against his pubic hair.

Her eyes were watering as she looked up at him, but Harry only pumped in and out once before pulling free completely, then sinking down to look her in the eyes. "You okay?"

She thought about it for a moment, then nodded, "I wish I could take you all, Harry, like Hermione..."

"I cheated," he shrugged, "I... well, I'll tell you later, but I want you to try again. Taste-"

Harry glanced up to find Ron thoroughly absorbed in skull-fucking Lyra with Neville beside him and leaned in, whispering, "Taste Ron's cum on my dick."

Then he stood up and pushed in, not to Ginny's mouth, but Hermione's sodden hole, slicking in and out a few times then pulling free, and offering it up to Ginny. She grimaced as his tip prodded her mouth, but opened it after a moment anyway.

He pushed in slowly, giving her plenty of chance to run her tongue around him, gathering up every bit of his and his mate's jizz she could, letting her savor the mixed flavors, then pulled out again. Once more, he sank down and asked quietly, "Taste good?"

"Y- Yeah," Ginny admitted, blushing, "I... it was mixed with yours."

"But that's not all you liked about it, was it?"

Slowly, shyly, Ginny shook her head, looking down.

"Good girl. Lick Hermione, love... I'm going to fuck her, and your face."

Ginny moaned as he pushed into his best friend's pussy this time, stroking several times before pulling out to move up toward Ginny and repeating the process, slowly feeding her more and more of both him and Ron's essence as it leaked or was pulled from Hermione.

Ginny was the next to climax on Hermione's mouth, but the bookworm did a moment later, too, followed by Harry.

Once she'd satisfied Ron and Neville, who climaxed together into her eager mouth, Lyra stepped up and began glowing, her arms and hands shining pink-white, and cum began to flow from each of the girls, and even a bit from the boys, until she had another sphere about nine inches across. "Mm... not as much as before. We'll make do, though, it's probably just as potent a mix and the amount used doesn't have to be the whole thing. You'll still need to have me, Hermione, before I start drawing though. Or maybe while I do. How would you like me?"

The blissed-out girl on the table slowly turned a sweaty brow in the Succubus' direction, then whispered, "I... I want your girl-cock."

"Okay," Lyra grinned, smiling at the surprised expression on Ron's and Neville's faces as the beautiful creature began to sprout her other appendage between her legs. The squirt and semen mixture floating over her head, Lyra stepped into the space between Hermione's legs and pushed in without preamble, sighing as her delicate hands circled Hermione's hips. "Gods, you do feel good. Such a delicious twat, slut."

"I'm a slut," Hermione whispered, ane leaned back to let Lyra enjoy rutting on her.

Which left Ginny, Harry, Ron, and Neville free.

The siblings shared a look of worry, but Harry smiled internally. He'd been waiting for this moment. "Neville, you like Ginny's tight arse too, right?"

"Hell yeah," the once-shy boy declared, reaching out a hand for the slender witch, who let him pull her close, and reach around her to fondle her chest while he humped her ass cheeks for a moment.

"Have a seat on a bigger chair," Harry instructed, pointing at an arm chair that materialized as he thought it. Neville grinned, tugging at Ginny as he did so, and soon she was settled against him, sighing.

"I want my girlfriend's spunky cunt," Harry declared next, stepping in as Neville scooted forward so he could lean back, and took himself in hand to run his tip along Ginny's dripping, swollen slit twice, then pushing in with a sigh.

"Wh- what about me?" Ron murmured quietly, sounding lost and saddened.

Harry was immensely pleased when Ginny, eyes locked on his face while being filled in both lower holes, raised her right hand in Ron's direction, made an O-shape, and moved it up and down.

"I, er..."

Ron still still stepped forward, though, and stopped next to the chair, looking down at Ginny's chest.

She fumbled, reaching for him, even slapped Ron in the stomach, but after a few tries she found him, and started pumping.

Neville didn't seem to notice, buried beneath waves of Ginny's luxurious red hair, but Ron groaned as his sister started wanking him again.

Harry knew he would be a while cumming this time, because he wanted to enjoy this. Not just Ginny's amazingly tight hole, though he loved that as always, but how she writhed, pinned between his slower, forceful pumps and Neville's own rapid-fire thrusts, and how erotic she looked, covered in sweat and smelling of sex, plus the taboo of trying to sexually please her brother with her hand.

He didn't know how long he was shagging Ginny like that, but Harry did know that Neville had climaxed twice directly inside Ginny's rectum, and that Ron had finally cum, too, pumping himself into Ginny's hand. Like before, she'd made sure he was watching while licking it off, then reached out to gather more from his length and did the same. Then Ron had staggered away, looking lost, and very, very confused, while Harry kept going, accompanied by schlicking sounds and the slap of skin on skin.

Eventually, Harry realized that Neville had passed out, still humping into Ginny's bum, and she was starting to head that way as well, so he pushed forward into his own orgasm, the first one in more than an hour at least, and pulled out to leave the freckled witch trembling with aftershocks and leaking out onto the floor.

Most of it didn't make it, siphoned off to join the much smaller sphere hovering over Hermione, who was also unconscious, taking Dean's big dick in her ass slowly while Lyra drew around her throat. Harry could see the same miniscule, pearly-white runes sketched over every inch of his swotty friend's body, and knew at once that Ron, who was passed out himself on the floor, had worn her out before Dean joined in, and the black boy's eyes were glowing brightly.

"Is he only going because you're making him?" Harry asked quietly.

Lyra didn't look up from her drawing, which was moving up toward the underside of Hermione's jaw, but replied, "Yes. He's technically unconscious, too. It's nearly two in the morning, they've been going for almost twelve hours. I'm surprised you aren't asleep."

Harry shrugged, "Might've been, I don't remember much of the last bit. Ginny's pussy is just..."

"I love shagging her," Lyra agreed with his unfinished statement, "and Hermione. I loved shagging you, too."

Harry blushed, but nodded. He had enjoyed the experience of being Ginny while Lilith used his own dick to shag him. Yet, while it was lust-inducing and exotically erotic, Harry didn't feel the same pull to have her cock himself as he did while he was a girl.

Maybe it was the hormones...?

Harry considered Dean for a moment, who was looking haggard and worn. "Is he going to be okay? It can't be healthy."

This time, the Succubus looked up, blinking almond-shaped eyes, "Do you care? He's a Thrall, a slave."

"And my friend," Harry reminded her gently.

"Mm, that's true. Yes, he should be alright. He'll be dehydrated and need to rest for about sixteen hours after this, but it's nothing he won't recover from, and he'll at least be able to dream of the night he shagged Hermione five times."

Shortly after Dean climaxed again and Lyra told him to go rest 'out of the way', she finished drawing a set of Runes around Hermione's lips and cheeks, then moved up onto her forehead. "Er... you did a set for Ginny there, too?"

"No," Lyra answered, still not looking up, "Each set is different. Ginny and Hermione value different things, and each schema must align with them, or it won't work. I know them well enough to know what they value, though, so we'll be alright. Ginny wants to be loved and cherished, and values her body and sports, and so on.

"Hermione, on the other hand, values her mind more, so I'm linking her sexual pleasure to heightened intellect, and tying her oral skills back to her own pleasure."

"So... she liked blowing us before, now she'll really like it? And she'll have flashes of what... inspiration, while shagging?"

Lyra nodded, looking up at him, "Something like that, anyway. I think, if it works the way I've intended it, she will be able to orgasm more regularly after taking a load or two in her mouth. Maybe not an intense one, but something at least, as it feeds pleasure to other parts of her body. The inspiration, yes. You know how running or jogging can help you clear your head, because it stimulates blood flow to the brain, allowing you to think more clearly? Same process, there. Shagging will literally make her smarter."

"Huh," Harry murmured, "could I get a set that does something like that?"

To his surprise, Lyra looked up at him, not drawing for a few moments, then leaned down again without answering.

She finished with Hermione's forehead and sat back, shaking her fingers out, then physically pushed them into the sphere of sexual fluids. "Ah... that's better, they were cramping at the end there. Roll her over, Master?"

He nodded, using magic to do so as it was more gentle. Once he'd stowed his wand again, he murmured, "You don't have to answer. But can I know why?"

Again, she was a few seconds responding, and Lyra resumed with a sigh, pulling her hands from the cum-ball and examining them, then reaching out for a dab and starting the thin stream up again as she started tracing runes carefully through Hermione's hair at the back of her head, "It's complicated, of course. You're... well, human enough for your Polyjuice Potion to work, at least mostly, right? They will be, after this, too. But you're my Contractor. You already have more benefits than I can give them, even if somehow I worked out a way to give them three Rune-sets, which as far as I know is impossible."

"I have noticed I'm better at school, and things," Harry admitted.

Lyra nodded, not looking up from her work, "That's part of it, of course. Yes, I can give you a Rune-set like this. Yes, it will have some effect, though not as powerfully as it would for them. But there are other prices, too. Prices I'd rather not discuss right now."

"Okay," Harry said, shrugging, and ran a hand over Hermione's slit, then used its lubrication to circle his cock-head, "That's alright."

As he pushed into the girl, who sighed in her sleep, the Succubus looked up again, "That's it? You aren't going to press me?"

"Oh, I'd love to press you," Harry chuckled, "but I trust you. If you have your reasons for not telling me, that's fine."

Lyra rolled her eyes, grinning, but still looked a bit pink as she said, "Oh, fuck your slut and let me work, Master."

Unlike with Ginny, the results of Hermione's Rune-set were immediate from the moment she woke up, at nearly noon on Sunday.

Harry glanced up at the nude girl's cry of alarm, distracted from Ginny's licking his balls while Lyra swallowed the top half of his dick. Ernie and Dean had wandered off hours earlier in confusion, but the perpetually-aroused teens hadn't wanted to leave without their friend, so Ron was balls-deep in Lyra's scrumptious ass, and Neville in the red-head's cunt while waiting for her.

"It's so bright," Hermione gasped, glancing around, "and- and I can see it. All of it. All the magic- at least, I think that's what I see."

"Holy shit... r- really?"

Hermione nodded excitedly, a wide grin splitting her face to reveal several shining teeth. She jumped out of the bed and gathered her clothing quickly, throwing it on haphazardly. She even forgot her knickers, Harry noted with amusement. Her bra was the only thing Hermione seemed to want to take the time to don properly, though it took a few waves of her wand to repair, though she tied her shoes off accurately enough without looking. Instead, the witch seemed determined to observe every single object in the library her imagination had created while she dressed.

Then she was gone, an amused and dripping Lyra pulling herself off of Harry and Ron. Ginny immediately filled the central space instead and doubled her enthusiasm from a lingering, playful oral job to a frenetic one. Ron on the other hand, frowned. "Where're you going?"

"Someone ought to keep her," Lyra giggled toward Hermione, who was already making her way to the door, "from getting into trouble while she's distracted. Don't worry, I'll keep her safe until she gets back to the suite."

"Thanks, Lyra," Harry said with a smile, "but you might want to dress yourself."

"Oh. Right," the Succubus said with another laugh as clothing materialized around her. "See you lot later!"

Then, like Hermione a moment before, she was gone.

Ron watched them both go, then turned back to the scene before him. He sent another questioning look to Harry, who only winked at him, then pointedly looked back at the lithe ginger being pushed into Harry's dick by their house-mate behind her.

The taller boy sighed, then leaned back against the table and started wanking his pussy-slicked member. "Fuck it, you lot seem to like making me watch my sister turn into a slag, so I guess I should."

"That's the spirit," Neville muttered, "Just do it. Isn't that what the muggles say?"

Harry grinned. Somehow, he doubted Neville had ever heard the American trainer company's slogan from an actual commercial, but it fit anyway. "Something like that. You gonna do it in her?"

"Nah," Neville grunted this time, "I like watching it on her back, I guess sorta like Ron does on their tits."

"Right, right. Okay."

A few seconds later the shyer boy grunted a few times then yanked himself free, finishing the job with his hand as he spurted onto Ginny's lightly-freckled back. She didn't let up on the blow-job, but with every splatter of new seed on her back, Ginny slowed once more, and as Neville stepped back and away, she eventually let Harry pop out of her mouth again to resume licking him instead. "Thanks, Nev," she said mid-lick, "that was fun. See you later."

"Y-Yeah, later," the dark-haired boy grunted, sending Harry and Ron both a glance, the latter a bit more embarrassed, as he scooped up his own scattered clothing and dressed hurriedly as well. "I'm gonna go check on Hannah, see if I can get her to eat something or maybe head down to the Hufflepuff Common Room again."

"Thanks, mate. Take care of her," Harry said casually, resting a hand on Ginny's head.

Once he was gone, Harry turned to Ron, who was still watching them, red-faced himself. "I want to show you something, later."

Ron grunted. "Sure, Harry. Uh... I should g-"

"I'll suck you off too, if you want," Ginny offered out of the blue.

Her brother, who had turned half-away mid-stroke to find his own clothes, stopped suddenly. "You- you what?"

Ginny switched to jerking Harry with both hands instead as she looked over at him, her face flushed too as she repeated, "You've both been teasing me for days and days. Making me taste my brother's jizz several times, shagging my best friend with your long cock right next to my face, sticking your sweaty balls in my mouth-"

"That was you!" Ron almost shouted back, pointing an accusing finger at Ginny along with a very erect penis.

"Only after they'd been swinging in my face for a few minutes," the reminded him, "but I'm not complaining. Your cum tastes almost as good as Harry's. It was gross the first couple times, 'cause you're my brother, but it's not so bad now. I have a feeling Harry's going to keep teasing us with it anyway, so you may as well just let me do it."

Ron was quiet for a long time, his hand still but gripping himself tightly as his erection throbbed with every heartbeat. Finally he looked to Harry, "You know... you know we aren't... supposed to do things like that, right? Even... even watching each other is... People wouldn't understand. Her wanking me the other night was..."

"Sexy as fuck," Harry supplied, then continued, "and I don't care much what others think. Ginny wants to. I want her to, I want to watch. If you don't want to, that's fine, just say it and it'll be done, no more teasing. If you don't get her pregnant, then I don't see the problem. And how're you gonna do that with a blow-job?"

Ron swallowed. "I... I have to think about it. Not- I'm not saying no. Gods, I can't believe I just said that, but... not yet. I'm... I'm not ready to do that. Not sure I ever will be."

"Okay," Ginny said quietly, then spun around onto her hands and knees so she was facing her brother. "But while you think about it, Harry's gonna fill me with that big cock of his, and I'm gonna watch you wank. Is that okay?"

"So fuckin' weird, both of you," Ron muttered, then nodded.

As Harry got into position behind her, he told the other boy, "Maybe, but it's pointless to deny you've been watching your sister get shagged silly by this point, so you're fuckin' weird too, mate."

"Too right I am."

"So what exactly are you seeing?" Lyra asked Hermione quietly as they made their way through the lower levels of the castle from the seventh floor. There were several students in the halls, but they walked alone or in small groups only intermittently, giving them chances here and there to talk. Most of the student body, Lyra knew by now, would be either out on the grounds enjoying the good weather the weekend had carried with it, or in their common rooms preparing for dinner and an evening of homework before classes resumed the next day.

The witch didn't pause in her stride, but she did slow slightly to point, "I'm noticing patterns already. Everything mostly just has an aura of some color. At least, that's what it looks like. The windows are faint green, almost like grass. I think that might be the bug-repellant wards? But the portraits are all some color of deep purple. The intensity on those varies, I think maybe with age, but I'm not sure on that yet. The boys and girls have their own glow, but it's different for each of them. Everyone has their own color and shade and strength. You do, too. With this, I can even tell you aren't human by looking at you. No more fooling me with false appearances!"

Lyra grinned, eyes wide, "Really? I didn't know that. Describe my aura?"

Hermione blinked, missing a step. "What? You can't see your own?"

The Succubus shook her head, "Doesn't work like that. Unless I'm very much mistaken, the power you got was one we call Magium Sybbilis. I don't have it. I could learn it, but I haven't so far."

"I thought you said we'd only get powers you had?"

Lyra shrugged as she continued walking with the witch, "Usually that's the case, but as always, exceptions happen. You're pretty heavily dedicated to magic and observing the world around you. I wouldn't have predicted the power you got, but it's not that surprising in hindsight."

"Interesting. Anyway, to answer your question, you're a sort of silvery-pink, and it moves like mercury almost. Flowing, but also pulsing. Maybe... three inches out from your body in all directions."

"What about yours?"

Hermione shrugged as she glanced at an open hand., "I can't see my own. I'm not sure why. That bloke there, Banson I think his name is, the third-year? He's vibrant green, pine but radiant, and shines light reflections on water. The girl he's talking to is dim and red-orange, like a low fire."

Once, the witch would have thought it strange that a pair of third-years were talking so openly in the corridor without any embarrassment, much less leaning in close and speaking in hushed tones. They were nearly kissing, their heads were so close together.

But as they passed, she heard the girl say without bothering to whisper, "Fine, you can put it in my mouth, but not here. And it'll cost you two galleons."

They walked several paces before Hermione turned to look over their shoulders, "Did she really just agree to suck that kid off for two galleons?"

Lilith nodded, "It's my influence, probably."

The witch frowned but nodded. They resumed walking, and in a few more minutes they arrived at the suite's entrance. "This ward," Hermione said, continuing listing off what she could see now that she could not before, "is almost black, like a deep shadow, but it doesn't feel hostile like that Slytherin's. It's more like the cover of night, I suppose, rather than mean."

"That's good to know," Lyra told her as she opened the door and let them both in. Once they had passed the threshold, though, she quickly shifted into her normal form. "Do I look any different?"

Hermione glanced over, then grinned as she let her eyes rove the slightly off-colored skin. "Aside from your huge boobs and that cock you grew, no. Your aura is the same."

"Neat. I suppose you can tell me apart, then."

Hermione grinned, "And I can tell you're randy, too. Should I just blow you right here?"

The Succubus smiled as Hermione sank to her knees. "Well, if you're offering..."

"I do love sucking cock," the brunette reminded her, "probably as much as you do."

"And you're so good at it," the creature replied as Hermione went to work. She let the witch suck on her for a few minutes, growing progressively deeper, until Hermione seemed to be used to letting her lips relax around the short, knob-like spines that dotted her member, then asked, "This doesn't bother you, then? I mean, Harry and Ron aren't even here."

Like Ginny had upstairs, the witch switched to her hands while she thought, then looked up between the fat globes to look at Lilith while she answered, "No, for several reasons. One, I know you belong to Harry, that you are Harry in some ways, at least magically. Two, I've come to the conclusion that as long as I don't hate someone, I do enjoy blowing them. The act itself is fun for me, if nothing else. Three, I like being in control and I like helping others. This does both. Four, I've started to think of you as something other than completely female, so since you can grow a penis, it doesn't trigger the 'don't like females that way' thing. Fifth... well, Ginny. Hannah. You. You've all been female and made me climax. It still feels good. I don't enjoy eating pussy as much as Ginny does, but it kind of feels like a blow-job as far as the control and service thing. And you do taste pretty good, your cum I mean."

"Mm. Alright. Well, for what it's worth, I'm very glad you've been willing to try new things. To be honest, that first night at Sirius' where I showed you my dick, I thought you'd be done with me forever. Most humans don't... go for that sort of thing."

"Harry doesn't mind either," Hermione pointed out as she went back to mouthing the Succubus by running her lips along each side then closing over the tip.

"No, but Master is a top-class pervert," Lilith giggled, "I mean, he summoned me. Right now, he's thinking about watching Ginny suck her brother off while he pounds her from behind. Those are just some examples of what he is willing to do."

Hermione blushed deeply and pulled off again. "I- Incest? That's... that's, um... sick. Right?"

The Succubus smiled kindly as she looked down her body at the girl on her knees, "Brother and sister? No more or less wrong than a daughter pleasing her drunk father one night on vacation. No more or less wrong than enjoying it, or enjoying watching your lover fuck your mother in front of you."

"He told you?" Hermione whispered, "I... I can't believe he..."

"Master doesn't tell me anyone's secrets, my love," the Succubus said, gently urging Hermione back onto her cock, "It was something you said, actually. You occasionally talk in your sleep, you know? Of course, you didn't say anything too overt, but it made me curious so I checked Master's memories. Don't worry, Hermione. I don't judge, and Master likes it."

The witch swallowed, then obediently returned to servicing the Succubus with her mouth, guided by long, clawed fingers. "And for what it's worth, Ginny was thinking about that, too, according to Master's thoughts. And Ron... well, Ron will give in sooner or later. He's let her wank him a few times already, and is secretly thrilled that she likes the taste of his semen."

Hermione moaned, "If ith preffy goof,"

"So, my little daddy's girl," the Succubus teased, tightening her grip on the girl's head just slightly as she sent a half-hearted glare upward, "you should probably get used to the idea of them together sooner or later, too. Master rewards his friends with what they want, and those two want each other, even if one is too shy to admit it, yet. And maybe, just maybe, you'll get to fuck Daddy next time Master has your mother."

The secret shame and thrill of the idea made Hermione shudder, her whole body trembling as the Succubus began thrusting deep into her well-practiced throat. Visions flashed through Hermione's head as she climaxed. Her mother's third child, fathered by Harry, the exact same age as Hermione's first, fathered by Ron. Hannah, filled by Neville in the arse as her swollen belly carried that wizard's baby, sucking Hermione's transfigured dick herself. Her father lost in the throes of passion while the child-form of Lilith that Harry favored rode him like the most experienced porn star.

The delight grew into a second orgasm following instantly on the first, strong enough to send a rain of her fluid onto the carpet of the suite's common room. "Here's your reward for being so good, lover," Lilith moaned. A third orgasm hit the girl to coincide with the powerful blast of semen running down her throat. She didn't remember much after that for some time, but she did recall the brilliant hot-pink hue of the magic in the Succubus' cum as it blasted up the visible parts of the Succubus' member.

A few minutes later after she'd recovered, Hermione sat up from the carpet with a groan, "Okay... let's get, um, back to exploring. The Castle, I mean."

"If that's what you want," Lilith grinned, shifting back into Lyra and waiting at the door for her to stand back up and adjust her clothing once more.

Glossary:

Magium Sybbilis; Literally, "Mage Sight". Latin, I think, or maybe part-Greek. It's hard to tell sometimes. Magium; of or pertaining to "The Wise," or "Mages". A "Sybbil" is a Greek or Roman word for a Seer- one who "Sees" more than normal. In this case, the two combine to mean Mage Sight. Or Magic Sight.
Yes, it literally lets Hermione see magic, which is something Dumbledore can do in a limited way (or at least, he can 'feel' it, referencing Voldy's 'known magic' in the cave's antechamber in Book 6). Hers is... better. She is still new to it, though, and it won't be 'useful' for a while yet.