You've Been Working Out Hard, Haven't You, Noona...?
A brief silence settled between noona and me. I'd already finished, and my cock had shrunk a little. Noona was still panting, but she looked so pleased with herself—just grinning goofily up at me, her face flushed and happy.
...How is even that expression pretty...?
The look she gave me was lewd and loving all at once. And the fact that my semen was inside her right now only made it more so. But we couldn't just stay like this.
"More importantly, noona, I came inside you. Shouldn't you go wash up? What if you get pregnant?"
"Don't call me noona. Call me Yujin. And you can drop the formal talk. It's fine, anyway. Today's a safe day...."
Ah. Got it.
That, at least, was a relief. And then the silence crept back in.
"...Should I...get going, then...?"
I'd only said it to break the quiet. The truth was, I didn't want to leave at all.
Fortunately, noona caught me before I could.
"...Don't go. Stay with me. Sleep here tonight."
She grabbed my wrist and shook her head, putting on a spoiled little pout.
Whoa. So this was the kind of noona who could pull the spoiled-girlfriend act too?
She was a succubus. No two ways about it.
And I was not a man who possessed the iron will to turn down a plea like that. I pulled her into my arms again, and the two of us went tumbling across the bed.
Holding her naked against me was unbearably warm and soft. I buried myself in that comfort and hugged her tight, and just like that, the night began to slip away.
I opened my eyes, and the night was gone—I hadn't even noticed the time passing.
"Nnngh...? Noona—wait, Yujin, where'd you go...?"
She wasn't in the bed. But her voice answered me anyway.
"I'm working out."
I got up and followed the sound. Noona had her body braced against the wall, twisting and stretching with an easy, fluid flexibility.

She was clearly in the middle of a dedicated yoga or pilates session. The fact that she'd already been at it before I even woke up told me this was a long-ingrained habit.
Yeah...those tight squeezes and those curves didn't come from nowhere.
Admiration lasted about two seconds. Then my eyes snagged on the way her sweatpants clung to the swell of her hips, the cleft of her ass standing out in a sharp, vivid line, and I started heating up all over again.
But humans are creatures of basic instinct—food, clothing, shelter. Lust wasn't going to beat hunger. The violent emptiness roaring in my stomach was more than enough to force me back down.
Come to think of it, I didn't even have dinner last night.
Of course I was starving. I'd originally come over to her place to eat, but dinner had never happened. Instead, I'd eaten noona...
I should stop there.
If I kept replaying last night, that thing between my legs was going to spring up again, and there was no doing that on an empty stomach first thing in the morning.
Then I saw her drop into cat pose, and an urge I couldn't control came this close to surging up all over again.
Fortunately, noona seemed to read my mind. She stopped stretching and spoke in a gentle voice.
"Hungry? You need breakfast. I've got soy-braised beef, so come eat."
"Okay."
"You'd better start eating properly. Donghyun's mine, after all."
She even shot me a look that seemed distinctly wicked.
And one glance at the breakfast she'd laid out was enough to convince me I was going to have to stay on my toes from now on.
Rolled omelet. Soy-braised beef—the kind packed with an almost aggressive amount of egg. A bowl of black rice. And a seasoned chive salad whose presence I couldn't begin to explain...?
Every last one of them had a reputation for being great for virility.
"Heh heh...I'll eat well..."
I started in on a spread that felt suspiciously like a newlywed couple's breakfast. And the taste, to my surprise, was incredible. I could say with confidence that I'd never had a rolled omelet like this in my entire life.
Once I'd eaten, it was time to get ready for school. I wanted to stay with noona longer—badly—but sadly, I couldn't exactly throw my GPA out the window.
Back in my room, I packed my bag and pulled up the explanation for the skill I'd seen yesterday.
Endless Erection
Would you like to view the description?
"Obviously I should look."
I had no idea what this even was. The name was pretty self-explanatory, sure, but that didn't stop the questions from piling up.
When any stat reaches Level 10, a trait skill is unlocked.
A skill unlocked upon reaching Level 10 in the Virility stat.
Effect: Maintains a full erection when activated.
Cooldown: 1 week
The Status Window's explanation was clean enough that I understood immediately.
"So even in a situation like yesterday, after I've already shot one load, it stands right back up. That's a hell of an ability, I'll give it that."
Not that I could think of anywhere I'd actually need it right now.
At the time, I didn't have the faintest clue what was coming for me. That skill would turn out to be far more useful to future-me than I ever expected.
Anyway. Be that as it may.
Present-me was living the life of a GPA slave, getting buried under assignments and lectures, and I was so busy losing track of the days that I never even noticed the MT trip I'd been so worried about creeping up on me.
Yujin, on the other hand, had no choice but to act completely unlike herself in the days leading up to the MT.
The reasons were simple enough. For one, the third-year student council had a cheerleading routine planned—one they were keeping secret from the freshmen. For another, her first time with Donghyun refused to leave her head.
The sensation of real sex—intense and undeniable in a way masturbation couldn't touch—was more than enough to leave her walking around in a daze for days.
Maybe it showed on her face.
The classmates she usually hung around with couldn't help but notice the change. They couldn't pin down the reason, not exactly—but in any group, there's always at least one person who's a little too sharp.
Among Yujin's classmates, that person was a girl named Na Yerin.
It was an ordinary day, the two of them heading to the Campus Cafeteria before their next class, same as always.
Yerin had had a feeling for a while now that something about Yujin was off. She'd been spacing out a little, looking almost...dimmer, somehow? Like the lights were on but nobody was fully home.
Yerin was not the type who could sit on a burning question. In the end, she just asked her outright.
"Yujin. Did you get a guy?"
"...Huh? Wait...is it showing...?"
"Yeah, massively. You're walking around with it advertised all over your face. Of course it's showing."
"...That obvious..?"
"Uh-huh. But more importantly—look at this bitch. Something this big happens and you don't even tell me?!"
Yerin pinched Yujin's cheek and tugged.
"..I-I was going to tell you. It really only just happened."
"Never mind that. Let's hear about which thief stole our Yujin."
"...That's a little..."
"...You're keeping it a secret? I'm hurt, you brat. You used to come to me with every last question."
She did have a point, so Yujin had no choice but to hang her head.
Back then, she'd been clueless about guys—a total amateur—so she'd pestered Yerin, the one person she could actually ask, with question after question about boyfriends.
"...You have to keep this a secret."
"Obviously. You know I can keep my mouth shut."
Yerin was the kind of friend you could dump your darkest worries on and trust she'd take them to the grave. That was a big part of how they'd gotten so close.
"...He's...a freshman..."
"Oh my god. A freshman? You totally snatched yourself a baby chick."
Yerin jerked back in shock, her hands flapping.
She'd been so curious about what thief had stolen her friend—only to find out her friend was the thief, and she'd gone and snatched a freshman who was still all soft and fresh.
Looking like she hadn't seen that coming in a million years, Yerin played along.
"So how far have you gone?"
"..Well..."
Yujin couldn't finish. But Yerin already knew, on instinct, exactly how far they'd gone.
Ohhh, look at this. She did it. She totally did it.
"Don't tell me you went all the way?"
Yujin went red, covered her face in embarrassment, and quietly nodded.
"...And how long did you say you've been dating?"
"..It's been almost two weeks now?"
The fact that they'd gone that far in two weeks filled Yerin with a mix of congratulations—her friend had finally done the thing she'd always been so curious about—and a creeping worry. She's not getting sucked in by some weirdo, is she?
"Think you could introduce me sometime?"
She made a firm, private vow to see this guy's face for herself.
Yujin hesitated, then nodded.
Even after class, walking home, Yujin stayed in that same dazed haze.
The truth was, Yujin was something of a pervert. Rather than going out and meeting guys because she wanted sexual pleasure, she took embarrassing photos of herself and uploaded them to Twingter.
Of course, she'd never let any of that show on the surface. But ever since having sex with Donghyun, it had become routine: anything and everything would drag her mind back to that night, and her whole body would heat up.
She'd finally had the first time she'd wanted so badly. Now a greedy hunger was swelling in her—to go even further with the Donghyun she loved.
Of course, by any normal measure, that hunger was deeply, unmistakably twisted.
And the reason Yujin had been walking around in a daze was a single, gnawing worry: if Donghyun ever asked her to do those kinds of things, would he end up hating her?