Cheerleader Practice
This was the cheerleader outfit she was supposed to wear at the orientation trip...
What was she supposed to do with herself?
The hunger for sex crowding Yujin's mind was driving her insane. As the saying goes, a thief who learns the trade late will steal through the night without ever noticing the hour. Having tasted the pleasure of sex, Yujin felt as though she could no longer live without it. And if that sex happened to involve a little SM, all the better.
Of course, this wasn't a problem she could solve by rushing the pace. She would have to talk Donghyun around slowly, a little at a time. The mere thought of the cold look that would cross his face if she just blurted it out drained her of whatever courage she had. Being turned away by the person she loved was more terrifying than anything else in the world.
Caught between lust and love, a rather good idea occurred to her.
"Right. I can just do it this way."
Pleased with the idea even by her own estimation, Yujin called Donghyun right away.
"Donghyun... can you come over to my place in a little bit?"
"Okay. Thanks."
As if the agonizing of a moment ago had never happened, Yujin hurried to her closet, pulled it open, and took out the thing she had been coveting.
What she held in her hands was the cheerleader outfit she was scheduled to wear at the orientation trip. The plan was for the student council officers to suddenly break into a cheerleading routine during a game the freshmen would be running. Whoever had come up with it, it was a genuinely unhinged idea. But she had a firm plan of her own for putting that purchased uniform to use — namely, luring Donghyun over — and that was enough to put a smile on her face.
Yujin's grand scheme was simple. Call him over like it was nothing, ask him to check whether the cheerleader outfit looked all right on her, and then, just as naturally, jump him.
That was the plan. A truly excellent, truly perfect plan. She was so satisfied with it that she gave the uniform a tight little squeeze in her hands.
That settled, Yujin decided she ought to change her underwear as well, just in case Donghyun showed up and her clothes happened to come off. What she had on now wasn't merely inadequate — it was aggressively ordinary.
What she chose was the black lingerie she had worn the first time they slept together.
"He definitely liked this one..."
She remembered how much Donghyun had loved it, so she slipped into the lingerie without a second of hesitation. Once she had it on, even she had to admit the figure looking back at her was something to marvel at. Her breasts were quite large, and the line of her hips and ass dropped in a lush, dramatic curve.
She had always been insecure about her voluptuous body. Not anymore. The person she loved most in the world had told her it was beautiful. After that, the confidence had come.
Of course... looking at where that newfound confidence was pointed, it was enough to make anyone a little worried.
Ding-dong!
Same as always, I'd come over to noona's place. I'd dropped by since our first time, sure, but I'd been so busy I hadn't been able to do much of anything with her. It was only with the orientation trip looming tomorrow that I finally had a chance to see her. Once we left, I wouldn't get to see her for two whole days, so I figured I ought to at least stop by once.
And if we happened to do a little of that heart-pounding something while I was here, well. All the better.
What heart-pounding something, you ask?
What else would a couple do behind closed doors?
Sex, obviously.
I was someone who had properly mixed bodies with noona now. That was as good as being granted the credentials to come and go from her place with my head held high. Not that I hadn't been coming and going before, but still.
I punched in the familiar passcode, and there it was — the familiar apartment, and a noona who looked brand new no matter how many times I saw her.
Except... why was she in her underwear?
And not just any underwear. The black lingerie I liked most of all.
God, noona's body was incredible no matter when I looked at it...!
"Welcome, Donghyun."
"Yeah... Yujin..."
I nearly got a nosebleed. A voluptuous body really was the best. Naturally, my eyes locked onto her and refused to move.
"It's embarrassing, staring like that. Come here already."
Already?
Well, I wasn't complaining, but jumping in this fast felt a little... I'd wanted to look at her face, talk for a bit, and then mix bodies...!
What noona led me over to see was none other than a cheerleader outfit.
I must have had a dirty mind, because the second I saw it — the bare midriff, the exposed legs, that tiny skirt — my imagination filled in the rest, my heart got very honest about the situation, and down below started to stir.
"Noona, where are you even planning to wear something like this...?"
Don't tell me this was an event for me? There were outfits I'd been hoping she'd put on. This was one of them. Had she read my mind?
"Ah, well — you guys are going on your orientation trip tomorrow, right? We have to go and dance there..."
Oh. So that was it.
I'd gotten my hopes up for nothing.
"That's why I called you over to show you in advance, in case you were surprised. And I wanted you to tell me if it looks good on me."
Noona studied me carefully, the cheerleader outfit still in one hand — and then she grabbed me between the legs.
"This down here is going crazy wanting a look too."
"Yujin-noona, if you grab me out of nowhere like that...!"
Had she always been this aggressive? I wasn't sure. What I was sure of was that the stimulation was far too much.
She pulled the cheerleader outfit on right in front of me and started swaying her body this way and that, and in that instant my patience hit its limit. It wasn't even the way the uniform clung to her that I couldn't take. It was that wicked little ass of hers, rolling like it was trying to seduce me.
I grabbed two handfuls of noona's plump, generous backside and peeled the lingerie bra off her as well. The cheerleader outfit had ridden up, and the sweat-damp skin underneath was devastatingly soft. When I gave her ass a sharp smack, that mesmerizing curve of flesh jumped and twitched in response.
I tugged the uniform down, and the luscious fruit inside it came into view. I buried my face there, breathing her in.
"Noona, be honest with me. The cheerleader outfit was just an excuse. You called me over because you wanted to do it. Am I right?"
"...Mmh. I've wanted to ever since that time."
She nodded.
"Well. That makes two of us."
I pushed my cock into noona's pussy without another second of delay. Pom-poms in both hands, she launched into a cheerleading routine timed to every thrust.
"...Go for it..! Hnngh!..Go.. for it.. go...!"
Who she was cheering for was not exactly a mystery. I worked my hips in time with every shout of encouragement. The tight, squirming flesh of noona's pussy, clenching in rhythm with those hearty cheers, was driving me even more out of my mind.
Wanting a look at the generous breasts spilling over the top of the uniform, I yanked the fabric up over her chest.

And there they were — two more ripe fruits, on full display. I groped them as I kept thrusting, and noona, apparently too overwhelmed by the pleasure to keep herself together, let her cheering arms drop.
I was not about to miss an opening like that.
"Yujin-noona, looks like this cheerleader's running out of steam. If you start slumping like that, the people watching are going to lose their energy too."
"...Can't... let that... happen..."
She flung the pom-poms aside, lifted her upper body, took one look at me still rolling my hips — and leaned in and kissed me.
A wet smack. Then another, and another.
Our lips collided, our tongues tangled, and the sounds we made were shameless. Not that either of us cared. Our tongues kept moving, exploring the inside of each other's mouths. Warm. Wet. I would have been happy if that unnamable stretch of time had lasted forever.
It went on for a long, long while. Only then did my hips jerk, and I spilled my seed inside her.
When I pulled out, noona leaned in and sucked my cock clean, still streaked with cum, and murmured around it.
"...It'd be a waste... I have to drink it all."
She slurped and sucked like it tasted good. I'd experienced this once before, with Baek Harin — a so-called cleanup blowjob. Though in noona's case, it looked less like she was cleaning anything off and more like she was genuinely craving the cum.
When exactly had she gotten this lewd? I had to wonder. Not that I was complaining.
I even got noona's blowjob as a finishing touch, and with that, my prep for the trip was complete.
And then the big day arrived.
On the way to campus, a question occurred to me, and I opened the Status Window.
"Just curious, but I keep getting the feeling noona's gotten a little lewder. Does that have anything to do with the quests?"
Kim Yujin's increased lewdness is the result of two factors.
Oh. So there was a reason.
First: due to her affection toward you, Kim Yujin's true nature is coming to the surface.
That was her original personality?
Not something I had ever imagined.
Second: the longer she is exposed to user Yoon Donghyun's semen, the more her true nature slowly changes.
Now that was jackpot information.
"So the more we have sex, the more she changes?"
To be precise, it occurs upon exposure to semen. Due to the upgrade of the Virility stat, the user's semen contains a specially treated component. That component is what produces the change.
"...Got it."
I thought about the sex I was going to keep having with noona. The more I mixed bodies with her, the lewder she would become, little by little.
No matter how I looked at it, that was a good thing, wasn't it?
Granted, if I wasn't careful I might be the one wrung dry first. But if noona became even more like that...
It would be the single greatest goal of my life, achieved.