Sorry for the short chapter last time. Hopefully this one's longer. Put in a little mature fan service. It's not much, but it should hold you.
Lincoln rotated his head to get a crick out of his neck. He had slept wrong last night, dreaming a little too vividly about his sisters. It was pleasant, fanciful, and surprisingly lacked sexuality. The dream soured when his parents walked in on their love. Soon the entire town had discovered what was happening and ran the Louds out of town. Lincoln had woken up in a cold sweat, sick to his stomach. There wasn't anything wrong with their love. It was natural.
Who was he really trying to convince?
After a shower and getting dressed, Lincoln walked down the hall. Today was his date with Lynn. Fortunately, Lucy had already revealed Lincoln's vow of celibacy, so he was spared that tirade. He doubted his sisters were entirely pleased with his decision, but he couldn't bring himself to sleep with a ten-year-old.
Briefly, Lincoln questioned his sense of morality. Was he really willing to sleep with any of his sisters? His dreams seemed to say so, and all it took him was the memory of that kissing game to remind him that, yes, he would. Part of him was thoroughly disgusted with himself, but mostly he was becoming used to the idea. Paradoxically, that disgusted him more.
Lucy was standing guard outside their shared room, keeping guard for them. Luan and Luna ran interference, but they still needed a door guard – and Leni wasn't exactly up to the task. She nodded at him and opened the door.
"Remember your promise." Lucy said, "Lynn's... very active."
"Don't worry, Lucy." Lincoln smiled, "I made a promise; I intend to keep it."
Lucy closed the door behind him, maybe a touch too hesitantly. Lincoln was shocked at what he saw: Lynn was wearing her usual attire, completely at ease, bouncing a soccer ball atop her head.
"Geeze, Linc, you look like you've seen a ghost." Lynn laughed.
"Sorry." The boy apologized, "I just wasn't expecting you to act so… normal."
"Why wouldn't I?" Lynn stopped, perfectly balancing the ball on her head, "It's a date, Linc. I'm not going to pretend to be something I'm not."
Lincoln could believe that. Where Lucy was uncomfortable with herself, Lynn was proud. Lucy might not feel comfortable exposing her true self – such as her Lolita fashion – but Lynn hid nothing. Sports were her passion, competition her life. He supposed it shouldn't be surprising that she wasn't exposing a softer side to him. While he was sure such a side existed, he was equally sure she'd show it on her own terms – and a first date probably wasn't her ideal time.
"Well, if it's just a date, we can postpone." Lincoln joked.
"Ho no," Lynn grinned, "You're not getting off that easily. Lucy told us you were off limits in bed, that little… But there are ways around that."
"Nothing sexual, remember?" Lincoln warned, "Not even foreplay."
"T-that's not what I had in mind!" Lynn was a terrible liar, "W-what do you take me for?"
"A very active teenager." Lincoln snorted, "Surely you had other ideas."
"Nothing really date-like." Lynn shrugged while bouncing the soccer ball from knee to knee, "There's not a lot of sports we can play in here."
She dropped the ball, her face brightening up as an idea struck her.
"We can wrestle." She suggested.
Lincoln blushed. That wasn't exactly sexual.
"Naked." Lynn nodded, grin widening.
"Can't do that." Lincoln shook his head, "I, um… don't trust myself to keep it… well…"
"Linc, you're sweet." Lynn's grin faded to a wistful smile, "And very honest, for a thirteen-year-old."
"Don't get me wrong, Lynn." Lincoln eyed his sister, carefully, "I want to. If I'm being completely honest, I want to with all of you. The thing is, if I do, I have to do it with all of you – and I just can't do that with Lucy. Not yet."
Lynn sighed, but kept her smile. "Like I said, Linc. You're sweet. It's one of the reasons I fell in love you."
Something in the way she said it piqued his curiosity.
"Why else do you love me?" Lincoln asked, "I mean, what makes a girl love her brother as more than a brother?"
"Are you still on that?" Lynn snickered, though she had really pondered the very same thing every night, "Why do I love you? Hmm."
Lynn searched for another ball to occupy her hands, settling on her tennis ball. She'd never been forced to ponder this before. It was a difficult subject to broach, especially considering she'd never been in love before.
"I guess the thing I love most about you is…" she hesitated, "the little things."
"The… little things?" Lincoln quirked an eyebrow.
"Yeah." Lynn blushed and focused on the tennis ball, "You're always so cool. You're the only guy that can keep up with me, the only guy that gets me, you know? You accept me for my, uh… foibles."
"Foibles?" Lincoln tried not to laugh. Lynn was the last person he expected to say that.
"Shut up!" Lynn held her own laugh in, "But seriously, not many guys can accept me for being, well, me. You can."
"That's what brothers are for." Lincoln shrugged.
"No, no. It goes way past that." Lynn assured him, "I play dozens of sports with dudes, and most of them are brothers. I've seen how they act. There's compassion and understanding, all that mushy stuff, but there's also a lot of bravado and telling each other to suck it up. I've seen brothers who hate each other, brothers who treat their siblings like dirt, and brothers who look for any excuse to fight. I've never seen a brother like you – a young man, like you."
"Wow." The teenage boy struggled to swallow, "Thanks, Lynn. That was pretty cool."
"And here I said not to get used to it." Lynn shook her head, ruefully, "What are we supposed to do on a date, anyway? You know, since sex is out." Then loud enough for Lucy to hear through the door, "Thanks Lucy!"
"I… wouldn't mind wrestling." Lincoln confessed, blushing, "For old time's sake."
"Naked?" Lynn asked, hopeful.
"Clothed." Lincoln asserted.
"Half-naked?" Lynn grinned.
Lincoln hesitated, but how could he resist? She was a persistent one, and certainly not bad on the eyes.
"Deal." He agreed, somewhat reluctant.
Lynn immediately took off her shirt and bra, exposing her breasts.
"What are you doing?!" he whisper-hollered, "I thought we agreed too half-naked!"
"I'm not taking my shorts off." Lynn laughed, "Therefore, still half-naked."
Lincoln could not argue with her logic, unfortunately. So, blushing, he removed his own shirt. He wasn't muscular – at least, not in his own eyes – but years of competitive sports with Lynn had put some tone to his physique. Lynn's smile broadened at the sight, and Lincoln would be lying if he said he wasn't looking at her chest.
"Another reason I love you," she confessed, "is because you're just too cute."
"Cute?" Lincoln seemed offended, "I was expecting sexy."
"Don't get too full of yourself." The jock snorted, "You're still young. Now get ready."
They charged one another. Toplessness aside, they wrestled with all the finesse and grace they always had – which is to say, none at all. They grappled, they taunted, they flung one another. Lynn finally pinned her brother, grinning in triumph. Lincoln noticed her breasts close to his face and exhaled sharply. The breath danced across her exposed nipples, making her shiver and blush.
"S-stop that!" she managed.
Lincoln smiled coyly, having exposed a weakness in his sister. Moving his head forward, he gave her nipple a quick lick. Lynn had to cover her mouth to muffle a high-pitched squeak. Lincoln took the opportunity to switch their positions and floor Lynn.
"Got you!" he laughed.
"No-no fair!" Lynn huffed, the experience leaving her breathless, "You cheated!"
"You kick me in the balls almost every time we wrestle!" Lincoln argued, "What do you call it? Striking at weak points?"
"Eh, still…" Lynn scowled, but then gave a wicked smile, "I never thought you'd do something so sneaky."
"I learn from the best." Lincoln allowed himself a smug grin and paid for it.
Lynn pressed her knee against Lincoln's crotch, but not with painful force. Very gently, she ran the knee along his tender region and he curled up as pleasure made him wince. His breath caught and Lynn floored him. Short of breath, staring up into Lynn's eyes, the two teens huffed from sexual stimulation.
"Can't we just, you know, use our hands or something?" Lynn pleaded, clearly very excited.
"No." Lincoln shook his head, as much to himself as to her, "I promised Lucy."
"That punk…" Lynn growled in frustration, but it quickly abated, "Just kiss me then. Please."
Lincoln obliged, leaning in and locking lips with Lynn. Unlike their first kiss, Lynn was much more aggressive this time. Their tongues moved back and forth, forceful and untamed. Lynn contented herself to massaging Lincoln's chest and abs. Lincoln briefly considered whether or not massaging breasts was sexual or not, but he'd already gone and licked it, so he submitted to teenage impulse. Lynn squeaked and moaned into her kisses, but didn't protest.
Finally, breathless, they fell apart from each other, laying side by side and staring at the ceiling.
"You think we can get married someday?" Lynn asked.
"It's illegal." Lincoln pointed out, "Plus I can't marry all of you."
"What if we used fake identities?" Lynn asked, "Moved away from where people know us and just live out our days as husband and wife?"
"I couldn't leave the others, Lynn." Lincoln sighed, "I love all of you."
"I know…" Lynn sighed, too, "I don't mind sharing you, but… I really want to marry you."
"Marry me, huh?" Lincoln was actually pleased to hear it, "I never thought of you as the marrying type."
"Only with you." Lynn confessed.
They lay there, silently.
"Don't ever change, Linc." She said.
"I won't." Lincoln promised, though he wasn't sure if he could keep that one.
Their hormones dying down, Lincoln wrapped his arms around Lynn and the two fell into a peaceful sleep.