Sadly, Blake is no longer in heat. While this is technically a good thing because she'll have full control of her emotions and not constantly have a desire to breed, it meant easy mode was over. Before, Blake had, quite literally, NEEDED you to have sex with her; now, sex was purely for pleasure, and she was in a proper headspace for it. This meant that, while she would still find pleasure in sex, she (probably) wouldn't cum just from being called a good little kitten. This puts a bit of pressure on you to please her, though Weiss still got off just from touching.
Luckily, Blake is receptive to pleasure. Having a Semblance that's able to touch literally every inch of her skin helps, but Blake holds back moans as she rides your cock. She still prefers being on top and having control, so she bounces up and down, sliding her body around your shaft as you thrust. A naked Weiss watches a naked Blake's freed breasts rise and fall with every thrust, eagerly awaiting her turn with you as Blake digs her nails into your chest; though she didn't feel comfortable with Weiss watching her play pet just yet, her instincts find themselves apparent as your feel her claws. Her animalistic pants don't match up with her reasoning as she carefully avoids scratching your scar, maintaining enough tact to not worsen the damage. Weiss' instincts take over as she watches a man and a woman have sex a few inches in front of her; she lasciviously watches you two merge bodies, now pretty comfortable being in such a sexual situation.
Feeling your end coming, you try your best to focus on Blake's pleasure. Her nails dig deeper into your skin as your Semblance reaches every possible erogenous area in her body, attacking her where she's weakest. You see her start to hitch, then let yourself release; you finish in Blake just as she herself finishes, her breath pausing as she holds it in, her tail going stiff. Her grip loosens as you release her hips, letting your body rest and the sweat of sex drip down your forehead. Blake takes her moment to ride out her orgasm, smiles at you, releases you from her insides, then rolls over to lay down next to you.
"Yep. Definitely made it up to me," Blake says, still panting. She nods at Weiss, who previously let her get gawked at while she took her time dressing. "You're telling me we could, theoretically, do this all day if we wanted?"
Weiss admires Blake's sweating naked body as her breathing causes her rib cage to expand and deflate. "Well, it would depend. The man is definitely willing, but I don't know if rewriting the body's natural clock is a good idea to do several times in an hour." She looks over at you and curls her lips. "I suppose this is going well as an experiment~" With a wave, she causes another Haste glyph to pass over you, letting your body recover all energy immediately, as well as letting you get hard again, seeing as Blake and Weiss were still naked beside you.
"Well," you say, pleased at your erection proving your words. "Preliminary tests say I can go at least three times in 20 minutes. More experiments may be required." You sit up, letting Weiss smile at your rapidly hardening shaft.
"Another time," Blake says, stretching. Sitting up, she looks between you and Weiss. "We do have a project to work on, so we can't spend ALL weekend banging. Plus, Ruby and Yang are going to wonder where we are."
"Fine with me," Weiss says, wrapping her arms around Blake and brushing her hair. "Why don't you have a shower? You and I both know I won't take long. Right, dear?" she asks, smiling at you.
You wordlessly use your Semblance to touch Weiss' waist, moving down to her womanhood. She tries to keep a straight face, but immediately gives when you reach her clit.
"W-We'll be right behind you," Weiss says, biting her lip. She gives Blake a kiss and lets her free to get up.
Moving towards the bathroom, Blake gathers her clothes, making sure to bend over in such a way so as to give you and Weiss a good show. "I'll keep the water running~" She disappears, followed shortly by the sounds of the shower running.
"And now that I have you to myself~" Weiss says, crawling along the bed to fill Blake's spot. "I… didn't want to admit to Blake just how much… 'research,' I did, nor what I discovered." She pauses, thinking something over. "We'll have to sort out what we're comfortable sharing with each other later; I don't think she wants me to see her act like a cat, but I also don't want her to see… what I'm… into, aside from just normal sex. N-not yet, anyway." You nod; this whole thing is pretty weird, so it's understandable that there's going to be an awkward period. "But… if we have a little time to ourselves, then…"
Weiss closes her eye, takes a breath, and steps off the bed. She releases her hair from her tiara, readying herself to get a little wild. Bracing her arms on the bed, she sticks her butt in the air and starts waving it around. "The woman I'm thinking of in the video I watched referred to it as something I think you'll like to hear."
Seeing what Weiss was implying, you get more and more excited. Weiss sees the smile grow on your face and narrows her eyes, adding a decidedly non-heiress look to herself.
Weiss seems to revel in her coming words. In a voice you never would expect to hear from the prim and proper Schnee heiress, you hear words you would never expect to hear, even from the Weiss that you were intimate with; "I want you to plow me, Daddy~"
Had you been a lesser man, the sentence Weiss just said would have made you burst right then and there. Her phrasing, her voice, her devotion to breaking the image of her being HER meant so much; Weiss wants to be a different person around you, one willing to cast off the shackles of her history and be yours.
You stand. Weiss immediately squeaks as you walk behind her and grab hold of her waist, taking her tiny frame in your hands. Forcibly parting her legs with your Semblance, you spread her far, giving her a stance that would support her weight. Weiss further braces herself, gripping on to the sheets of the bed with all her might.
In an instant, Weiss felt small. She was never a large woman, standing at less than five feet without heels and weighing maybe a hundred pounds. Still, she carried herself well, standing tall and presenting herself as big as her name. Now, however, with her hair freed from her tiara, her body bared, and her small, small body completely under your command, she felt like she was nothing before you. Weiss' wish was to submit to you, and submit she has.
Knowing instinctively what Weiss wanted, you slide a hand up her back before grabbing the back of her head, threading your fingers through her hair. She allows you to pull her head back to face you, her eyes shining with the desire brought on from her submission. You part her lips with your Semblance and penetrate her, earning an almost pained moan. Weiss wastes no time telling you, "Rougher," to give you clearance.
You pull hair. You smack skin. You handle Weiss like a toy.
Weiss cums after maybe three minutes, though you know she was doing her best to try for longer. Unable to handle the pleasure and pain, she grips the sheets and bites them to stop herself from alerting the school of her activities. Her body goes from rigidly maintaining her ass-in-the-air stance to being on the verge of collapse. Seeing no reason to hold back, you thrust until you find yourself ready to burst; now almost holding up Weiss by her hip and her hair, you blow your load into her dripping womanhood and are rewarded with another scream into the sheets.
You lower Weiss onto the bed, seeing as she's pretty blissed out. It was impossible to tell if she was letting the sensation take over her body, or trying and failing to regain her senses. Though she no doubt really, REALLY enjoyed it, this might not have been the best idea to do when she's still this… easy to please; it's clear she needs to take things slow for a little bit, as she isn't ready for what goes on in porn vids. Of course, this is fine, especially if you get to work your way up to THIS.
Blake comes out of the shower, drying her hair with a towel that she tosses to you. She's now redressed back into her uniform, showing no signs of having been penetrated and with no ears or tail showing. Spying her opposite in the naked, very-clearly-thoroughly-pleasured Weiss, she laughs, "I'll have what's she's having. Brothers Grimm, what did you DO to her and how can I get that for myself?" Blake spies the numerous marks on Weiss' skin, brought on by your tight grip, slaps, and squeezing. She looks interested.
"Nothing I-I didn't want," Weiss says, weakly coming down from her high. "And I'm sure you just need to ask."
You sit down next to Weiss and rub her back, finding it the best thing you can think of. "Nothing you didn't want, but maybe a bit more than you could handle." Feeling a bit awkward sitting around with your dick out, you cover your lap with Blake's towel. Weiss can stay naked. No issues there.
"Maybe you're right… Hopefully, I'll get feeling back in my legs soon enough." Weiss limply turns over, presenting her naked body, shining with sweat. "Weiss, why are you limping? Oh, my boyfriend made my legs turn to jelly. Would Yang tease me or just get jealous?"
"A bit of both," Blake says, enjoying the view. "You would never hear the end of it, but if I know her, she'd want to know ALL about it." She pulls out her scroll and starts scrolling. "You two should probably hop in the shower. It's still running, plus I just got a text from Ruby asking where we are."
"Alright with me," you say, helping Weiss up.
Weiss suggests, "Say we went on a date to celebrate the end of the week and that we'll be back in ten minutes or so." She throws up a glyph over Blake, immediately drying her hair. "No need to wait to dry."
"Way ahead of you." Blake watches you and Weiss start heading for the shower. "Aww, I should have held off on showering." She thinks for a moment, the retracts, "On second thought, that would never work. These showers are too small…. Nothing says sexy like being wall to wall. We'll figure it out."
"I'll keep that in mind for when we move out. We'll get a nice house with a BIG bath!" Weiss puts a hand on your chest as you step into the bathroom and hop in the shower. "We can also get a king-sized bed~" Knowing Weiss, getting a huge house was actually pretty likely were you to move in together; she did have the money after all, though you'd need to figure out how to keep her father from learning about all the weird points in your relationship.
"That sounds amazing," you say, kissing Weiss' forehead. Sure, it was a bit early to think about a house, but why ruin the moment?
You and Weiss quickly shower up, use a glyph to dry off immediately, and get dressed. You go back out into the empty dorm room to pick up Blake scrolling on her…scroll, and start heading back to RWBY's dorm, making sure to lock the door behind you.