Seduction of Incest

"Ai-chan, I apologize for my previous harsh words. I shouldn't have emotionally blackmailed you in the first place. What I did was wicked and nasty." I sighed, the weight of guilt heavy in my voice, as I stepped back into the karaoke room.

Without hesitation, I moved to sit beside my sister, my shoulders sagging under the burden of what I had done.

"Why apologize, brother? You have every right to be angry with me," Hayasaka Ai replied, her tone calm and collected.

Her face showed no anger, no resentment—only a serene acceptance of her own missteps. "I didn't take you out when you needed me the most. That was my failure."

Her response caught me off guard, but she wasn't finished. "Although I don't know exactly what happened between you and Miss Kaguya—why you suddenly seem to have such a good impression of her, even a solid relationship—I can only bless the two of you. That's all I can do."

"That's precisely why I need to apologize," I replied, exhaling another weary sigh. "The past of you from before would never have accepted this ending, this relationship. I took advantage of your guilt to force a resolution. You shouldn't have to cater to my needs because of my manipulation."

"You're showing weakness, brother. If this were anyone else, you'd be taken advantage of for exposing that vulnerability," Hayasaka Ai retorted sharply, her tone laced with a stern warning.

"How about you, then?" I shot back, a playful smirk curling my lips.

"Me?" She chuckled ominously, her laughter sending a shiver down my spine.

Without another word, she stood from her seat, her movements deliberate and slow, and then settled herself right onto my lap.

Her arms wrapped around my neck as she leaned in, her gaze burning with an intensity that sent my heart racing.

"You're reacting, brother," she whispered, her voice dripping with teasing confidence.

I couldn't deny it. The evidence was clear as her body pressed against mine, my bulge unmistakably brushing against the fabric of her panties.

She didn't let this chance slip by—if anything, she leaned into it, her lips curling into a sly smile as she moved closer.

"You like me. You want me," she purred, her words igniting a fire deep within me. "For now, I might allow you to be with Miss Kaguya. But who knows what the future holds, brother?"

Before I could respond, she closed the gap between us, her lips crashing into mine with an aggressive hunger.

The kiss was fiery and unrelenting, her passion consuming every ounce of restraint I had left.

My hands acted on instinct, roaming over her body, feeling the softness of her curves beneath my fingers.

She wasn't innocent in her actions either.

Her hands explored me with equal fervor, her touch igniting sparks that fueled our growing lust.

The heat between us escalated rapidly, and soon enough, clothes were discarded, tossed carelessly to the side.

Now, we were both completely naked, her bare, glistening pussy grinding against my throbbing cock as she sat astride my lap.

Her fully exposed body was a masterpiece in front of me, every curve illuminated faintly in the dim light.

Her delicate pink nipples stood stiff and inviting, practically begging for my attention, her chest rising and falling with each shaky breath.

I wasted no time.

Leaning forward, I took one of her breasts in my mouth, my lips wrapping tightly around her nipple as I sucked with deep, deliberate intensity.

The soft, supple flesh molded perfectly against my tongue as I swirled it over her sensitive bud.

Ai gasped loudly, her voice quivering with satisfaction as her hands gripped the back of my head, urging me to take her deeper into my mouth.

"Yes… oh god, yes…!" she whimpered, her fingers trembling in my hair. "Brother… how is it? How does it feel? Better than Miss Kaguya's flat chest, right?"

I ignored her teasing, focusing solely on devouring her.

My lips sealed tighter around her nipple, sucking harder, greedily, as if I could draw milk from her.

My teeth grazed her sensitive peak lightly, just enough to make her arch her back and cry out in surprise.

Her body shuddered against mine, her moans growing louder with every pull of my lips.

Her other breast didn't go ignored.

My free hand caressed it, my fingers teasing her other nipple, twisting and rolling it between my fingertips.

The contrast of my mouth's hot, wet assault on one and the teasing pinches on the other left Ai trembling in my lap, her breaths ragged and uneven.

"Brother... oh... this feels so good... so fucking good!" she cried out, her voice dripping with need.

I finally released her nipple with a wet pop, her skin glistening with my saliva.

But I wasn't done.

My gaze wandered lower, and then to the smooth hollows of her armpits.

Without a second thought, I leaned forward and buried my face in the crook of her arm.

"Ah! Brother!" she squealed, giggling uncontrollably as my tongue darted out, licking the soft, salty skin of her armpit.

Her taste was intoxicating—raw and real, mixed with the faint scent of her sweat.

My tongue traced every inch, pressing against the slick warmth, savoring every second of it.

"Stop! Ah… it tickles!" she laughed breathlessly, her cheeks flushed with embarrassment.

But her protests were half-hearted, and her body squirmed in a way that only invited me to continue.

Her armpits were pristine, untouched, without a single blemish or stray hair.

Just smooth, pale skin that I licked and lapped at like a man possessed.

I couldn't get enough of her scent—it was earthy, primal, and completely her.

My tongue swirled and dragged across the sensitive spot, leaving trails of wetness that glistened under the faint light.

When I was satisfied with one, I moved to the other, gripping her wrist to expose it fully.

Ai's giggles turned to soft moans, her body arching slightly as my tongue danced over the delicate skin of her other armpit.

The sound of her breathless gasps filled the room, mingling with the wet noises of my relentless licking.

By the time I finally lifted my head, her armpits were thoroughly claimed, glistening from my saliva.

Her chest heaved as she tried to catch her breath, her flushed face betraying her arousal despite her earlier protests.

I didn't give her a chance to recover.

Tilting her chin up, I captured her lips in a deep, hungry kiss.

Our tongues met instantly, tangling together as she moaned softly into my mouth.

Her hips pressed down harder against me, grinding her slick heat against my cock, as if she couldn't control herself any longer.

In the end, we climaxed together, her body trembling against mine as ragged breaths escaped her lips.

Exhaustion and satisfaction painted her expression as she leaned in close, her soft, warm breath brushing against my ear before she bit it gently, with a teasing edge that sent a shiver down my spine.

"How was it, brother? Did I last longer than Miss Kaguya this time?" she whispered, her voice laced with mischief and a touch of competitive pride.

The question left me speechless.

Why did she always want to compare herself to Kaguya?

It wasn't the first time she'd brought it up, and each time, it left me wondering what exactly fueled this rivalry of hers.

I didn't respond.

Normally, Kaguya was the one who gave in first, climaxing ahead of Ai and leaving herself in second place by Ai's strange standards.

But if I admitted that out loud, it'd be a blow to Kaguya's pride.

Instead, I chose silence, ignoring Ai Hayasaka's smug yet expectant gaze.

I reached down, gathering my school uniform scattered across the floor, the wrinkles a stark reminder of what had just happened.

Ai's expression shifted into a dissatisfied pout as she watched me.

"You're no fun, brother," she huffed, though her tone was more playful than genuinely annoyed.

She began collecting her dress, slipping it back on with practiced ease.

As we dressed, the air between us remained charged, her eyes flicking toward me now and then, her lips curling into that faint smirk that always seemed to say she was one step ahead.

Once we were fully clothed, she grabbed my arm, wrapping herself around it with a sense of intimacy that felt as natural as breathing.

Her scent lingered, a mix of her perfume and the faint traces of our earlier passion.

"Anyway, let me escort you to class," she said, her tone shifting to something almost sisterly, though the way she clung to me said otherwise.

"I don't want you wandering around and getting lost again. Oh, and we should wash up any traces of what happened. Maybe we can grab a drink afterward. My treat."

"Thanks," I said simply, nodding.

There was no point in refusing her.

Ai had her way of doing things, and it was easier to go along with it than argue.

Together, we stepped out of the dimly lit karaoke room, the faint thrum of music fading behind us as the door closed.

The sunlight streaming through the hallway windows greeted us, marking the start of a new day.

While Ai Hayasaka ordered the cold drinks for us, I found myself watching her closely, a faint smirk tugging at the corner of my lips.

There was something satisfying about seeing her like this—confident, composed, and carrying herself like the force of nature she was.

I was relieved that our dynamic had returned to its natural rhythm, rather than the strained submissiveness she showed after I forced her to confront her guilt.

Honestly, I had been a total scumbag for pushing her like that, making her feel guilty not just for what she had done but for how it had affected me.

It wasn't a proud moment, but it had been necessary to clear the air between us.

Still, I knew better than to want her like that—subdued, burdened, and bending to my will out of guilt.

Sure, there were plenty of people who fantasized about having an obedient, pliant woman who catered to their every whim.

But that wasn't my style. Never was, never would be.

I preferred women with their own agency, their own feelings, their own fire. A relationship built on manipulation and guilt wasn't my vibe.

It was empty, hollow, and honestly a drag.

What I liked was how Ai was now—free of that guilt, sharp-tongued when she needed to be, and unapologetically herself.

That was the Ai I wanted.

Not someone who felt like she owed me or was burdened by some twisted sense of obligation.

She handed me the cold drink with a small, knowing smile, and I accepted it, my smirk widening as I took a sip.

The fizzy sweetness of the Coke hit my throat just right, the perfect way to recharge after our... intense foreplays in the karaoke room.

There was nothing better than that cold burn of carbonation after a good workout—if you could call what we did a workout.

"Brother, let's go," she said, her voice as sweet as her smile while she slipped her arm through mine.

I shrugged, letting her take the lead as we left the private room.

Together, we made our way to the restrooms, where we split up to clean ourselves off.

A part of me hesitated, tempted to follow her, but I knew better. If I stepped into that room with her again, we'd end up giving in to our urges, and we were already cutting it close for class.

Some things had to wait, no matter how much fun it would've been.