Proof

"What the hell..."

I stretched my arm toward the ceiling. The squishy sensation still clung to my palm—the heavy, melon-like weight of her breasts. ...And her ass, too. Even at the very ‍‍‌‌⁠​​⁠‌​​‍​​‍​‌​⁠‍‌‍⁠⁠‌⁠‌‍‌‍‌‌‌‍⁠​‌​‌​‌‍‌‌‌⁠‍​​‌‍⁠‌‌⁠⁠last second, my doubts refused to vanish, so I'd deliberately kneaded Seon-ah's rear as well....

"It was real...."

Surprisingly, she seemed to genuinely view my 'skinship' as nothing more than friendly play. ...Just how innocent was she? I'd vaguely suspected it from the way she'd turn beet-red and stare at the floor every time we changed into gym clothes at the start of the semester, but ‍‍‌‌⁠​​⁠‌​​‍​​‍​‌​⁠‍‌‍⁠⁠‌⁠‌‍‌‍‌‌‌‍⁠​‌​‌​‌‍‌‌‌⁠‍​​‌‍⁠‌‌⁠⁠I never imagined it ran this deep.

And then there was... the sensitivity of her body. When ‍‍‌‌⁠​​⁠‌​​‍​​‍​‌​⁠‍‌‍⁠⁠‌⁠‌‍‌‍‌‌‌‍⁠​‌​‌​‌‍‌‌‌⁠‍​​‌‍⁠‌‌⁠⁠I'd touched her breasts, I hadn't even used any real technique. It's not as if I had experience groping anyone else's chest anyway.... I'd simply squeezed them with clumsy force. Yet that alone had been enough to make a girl wear such a sloppy, fucked-out expression, her entire body quivering as she came. It felt too unreal, like a scene ripped straight out of some filthy hentai.

Just remembering the vulgar way Seon-ah had looked made the air around me feel stiflingly hot. ...Maybe I should take care of it once before sleeping. Recalling what happened in the karaoke room, I slipped my hand inside my panties.

"...Good morning."

"Oh, Seon-ah. Hey! ...Wait, what's wrong with your eyes? They're completely black."

The next morning, the moment I arrived in class and greeted my desk mate, she pointed it out immediately. ...Was it that obvious? I lifted a hand and rubbed beneath my eyes.

"No, I just stayed up late messing around and didn't get much sleep...."

"You still need to sleep properly. That's how you gr— Oh, right. You're fine."

Her gaze flicked to my chest for a split second before returning to my face. ...My cheeks burned. I pretended not to hear the rest and sat down.

When I glanced around, Eun-jung still hadn't arrived. I let out a quiet sigh and slumped forward onto my desk. The after-school hours that would come soon terrified me. I wished time would just stop. Even though I'd prayed for it, the sun still sank westward, and the time to go home arrived all the same.

"Let's go, Seon-ah. We can meet at your house like usual, right?"

"Ah... yeah...."

Before I knew it, Eun-jung had dragged Han-na along too, and I had no choice but to trudge home with them.

"Hey, so what are we even gathering for? Why won't you tell me? Are you guys ostracizing me?"

"Just be patient, Kim Han-na. I told you it's not something to talk about outside."

"Ugh...."

"There. We're here."

After calming Han-na, who had been dragged along without any explanation and was grumbling the whole way, we stepped inside. Beyond the hallway lay a living room containing only the bare minimum of furniture. Yeah... a house where a guy lives alone really does feel empty....

Leaving the desolate sight behind, I led the two of them to the room I used.

"This room is seriously impressive no matter how many times I see it.... It's exactly like my older brother's room. At least it doesn't smell like stale sweat, though."

"...Just get inside already."

I shoved Han-na forward by the back, pushing her into the room. The moment Eun-jung followed and shut the door with a heavy thud, a thick silence settled over the three of us.

"...So? Can you tell me now? What the hell is so important that we had to come all the way here to talk about it?"

Han-na flopped down onto my bed and spoke in a sulky voice. It made sense—she'd been told there was something to discuss, then dragged here without another word.

But how was I supposed to explain this...? While I hesitated, Eun-jung suddenly grabbed my breast.

"Nngh...!"

I hastily covered my mouth before the moan could escape. Even though they'd been touched countless times yesterday, my breasts hadn't grown used to it at all. If anything, they'd become even more sensitive.

"What are you... suddenly doing?"

I glanced sideways with slightly trembling eyes and saw Han-na standing there with a stunned expression. Eun-jung continued kneading my breast as she spoke.

"After you left the karaoke room yesterday—"

Her explanation continued for several minutes. Yet even after she finished, Han-na still looked completely lost.

"Uh... so you touched her chest and... Seon-ah did what?"

"Come here."

"...Huh? Uh?"

Apparently frustrated by Han-na's lack of understanding, Eun-jung grabbed her wrist with her free hand and pulled her in front of me. The moment Han-na's palm pressed against my breast, Eun-jung released her and returned to massaging my other one. Han-na stared blankly for a moment, then began copying her, gently squeezing and rubbing.

"Ugh, hngh.... Hnng...!"

Eun-jung was playing with my breasts almost teasingly, while Han-na touched them more hesitantly, applying light pressure. Feeling two different sets of hands—one skilled, one clumsy—on both sides at once made my head gradually grow hazy.

Saliva had pooled in my open mouth and was dripping down in fat drops. My hands, with nowhere to go, clutched desperately at my skirt, trying to suppress the trembling in my lower body.

"Haa... haah... huu...."

"See? She reacts like this even to light 'play' between friends. That's why I started wondering if Seon-ah might be a pervert who feels it from even these ordinary actions."

"...?"

Every time I let out a heated breath, instead of cooling down, my mind grew even hotter. The heat was becoming unbearable, so I secretly rubbed my thighs together. Suddenly, I felt Han-na's gaze piercing into me.

Don't look. Please don't look at me....

The more I became conscious of her stare, the heavier my breathing grew and the faster the wetness soaked my panties.

"Mmm... hnng!"

Then, without warning, Han-na's grip grew stronger. It was a rough, violent touch completely unlike Eun-jung's.

"Haah...! Haa, haa... ugh, nngh...!"

That same sensation from before began to return. The terrifying yet addictive feeling that made me stop feeling like myself. My body tensed on its own, my head tilting back. As I stared at the pure white ceiling, my mind slowly bleached white as well....

"...Huh?"

Just as I was about to climax, the stimulation suddenly cut off. As the overwhelming sensation slowly receded, I felt both relief that I hadn't come in front of my friends and a shameful pang of disappointment that they hadn't continued just a little longer.

...No, I really was losing my mind. While I silently scolded myself, I heard Eun-jung and Han-na talking in front of me.

"Anyway, I don't want to be friends with a pervert. You feel the same, right, Han-na?"

"Eh? Y-yeah...."

When I turned my head, I saw the two of them facing each other and talking. Perfect. Now was my chance to fix my appearance. I swallowed the saliva that had pooled in my mouth, wiped the corners of my lips with my sleeve, and straightened my wrinkled shirt and skirt.

"So I want to make sure Seon-ah isn't a pervert and keep being friends with her. For that, we need to run a test, don't we? That's why I called you here. Since you're our friend too, Han-na, you have the right to participate in the test."

...How would Han-na react? I sneaked a glance at her face. She was looking back and forth between Eun-jung and me with a troubled expression. After a brief silence, she finally spoke, her cheeks slightly flushed.

"Yeah. I'll do it too."

Hearing Han-na's answer, Eun-jung smiled brightly, opened her bag, and pulled out a notebook.

"Good. Then let's decide on the test items. First, what I've thought of is... Oh, Seon-ah. Come here. Your hair's all messy."

"Huh? Ah, okay...."

Eun-jung paused mid-sentence to call me over, sat me between her legs, and began fixing my hair. Her slender fingers combing through my strands felt like a sweet rain of relief to my exhausted body and mind after everything they'd done to my breasts.

"Well, the first thing I thought of is skinship."

"...Skinship?"

"Yes. Not just touching her chest like before—there are other things too. For example, this."

The fingers that had been arranging my hair slowly slid downward and began gently stroking my lips. Her perfectly manicured nails and smooth skin without a single callus. Just feeling her fingertips against my lips started to make me feel strange.

Is this what a kiss would feel like?

Thinking about kissing made me want to put her finger in my mouth. To fill my mouth with it, swirl my tongue around it, suck on it, even nibble it lightly with my teeth. Saliva suddenly pooled in my mouth again.

Just... just a little taste would be fine, right?

Like a cat staring at prey, I gazed at Eun-jung's finger and parted my lips slightly. The finger that had been caressing my lips pulled away.

"Ah...."

"Something like that. You get it, right?"

Wondering if Han-na had seen, I glanced over and... our eyes met. I desperately pretended nothing had happened.

"Anyway, I'll go with this. What about you, Han-na? What do you want to do?"

"Hmm.... I'd like to try this...."

"What is it?"

Han-na took out her phone, typed something, then turned the screen toward us. On it were images of a woman blindfolded and violently fucked from behind, her ass slapped bright red by a palm, her hair yanked as a massive cock was forced down her throat.

"Whoa...."

"...."

Wait, do girls these days know about stuff like this? Of course I'd seen it back then, but... it was a bit shocking to learn that a close friend was into this sadistic, hardcore genre.

But she couldn't possibly mean to do this exact thing to me, right? She probably wanted me to do it to her...?

As I desperately tried to escape reality, Eun-jung's slightly excited voice reached my ear.

"Then we'll do that too. How about this?"

She must have searched while I was distracted, because she held out her own phone. This time it was outdoor exposure. A girl in a study room secretly baring her breasts while wearing slutty clothes. A woman revealing her naked body beneath her coat in the middle of a nighttime street. A girl lifting her skirt just enough to flash her bare pussy while people walked behind her. Another wearing nothing but a skin-tight tank top and tiny skirt with no bra or panties, walking into ‍‍‌‌⁠​​⁠‌​​‍​​‍​‌​⁠‍‌‍⁠⁠‌⁠‌‍‌‍‌‌‌‍⁠​‌​‌​‌‍‌‌‌⁠‍​​‌‍⁠‌‌⁠⁠a convenience store to buy condoms....

All sorts of women exposing their bodies in all sorts of ways.

So... I was supposed to do these things too...? This had to be a lie, right?