Chapter 12
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Translator: True Detective
Chapter: 0
Chapter Title: PT Coach Shin Ji-yoo's Perspective
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Shin Ji-yoo's pussy throbbed the moment she clocked in at the gym.
"Didn't he switch gyms?"
It was because the member she'd been eyeing had shown up again.
"I thought Chae-young must've done something weird and scared him off, but talk about a lucky break."
This was a chance she couldn't let slip away twice.
"Chae-young, didn't you say you had no PT session today?"
"Oh, well... This time slot's usually empty, but I didn't think he'd actually show..."
Shin Ji-yoo narrowed her eyes.
"What went down between them?"
It looked like he'd come on too strong, freaked her out, and got shut down—but that might actually work in her favor.
"What's the big deal? I'll take over for this client, so you go do what I assigned you."
"The gym owner with Chung-hyun?"
Shin Ji-yoo chuckled inwardly.
"She doesn't trust me, huh? And what's with calling him Chung-hyun already?"
The fact that they were on a first-name basis already lit a fire under her.
"The type who's easy to get close to, huh?"
This might be easier than she thought.
"Why? Wouldn't it be better for him if I trained him?"
"Ah, got it."
Once Chae-young left, Shin Ji-yoo started the session with Yi Chung-hyun.
"Damn, he's got a nice body."
Her pussy twitched at the thought of using stretches as an excuse to grope him everywhere.
"Good. Try lifting your hips a little higher?"
Pretending to adjust his form, she copped a feel of his ass.
"So soft yet firm... Fuck, it's teasing me. I wanna knead it for real."
She swallowed hard in secret and decided to get bolder.
"If the position feels awkward, it's fine to spread your legs a bit more. Easy now."
Holding his thighs so close to his balls, her panties were soaking through.
"So hot between his legs... Makes me wanna grab those nuts and molest him..."
Shin Ji-yoo slid her hand deeper.
"I can feel it while guiding you—does it pull or feel uncomfortable here because you're spreading?"
"No, it's fine."
"Really? This spot feels a little tight."
A smile spread across Ji-yoo's face at how he accepted her increasingly blatant kneading.
"This much is okay with him? Or maybe... he's into it too? Maybe I'm his type, not Chae-young?"
That thought made her decide to push further.
"Alright, your thighs seem tense, so let's switch—lie on your back looking up at the ceiling?"
"I'm good."
"You still gotta do it even if they're not tense. Come on."
As Chung-hyun lay flat on the floor, the outline of his dick was starkly visible.
"Holy shit... It's fucking huge? Already hard? Did my touch get him this stiff? That's why he stayed quiet."
Ji-yoo masked her excitement and proceeded carefully, in case he popped off too soon.
"Feel the tension releasing? Loosening up, right?"
"Yeah."
"I'll work the knots out by hand too, so let's do the other side?"
The more she massaged his hamstrings, the more his dick swelled visibly.
"W-what...? It wasn't even fully hard before? I almost messed up thinking that was it."
Ji-yoo let out a silent sigh of relief, then her eyes sparkled as realization hit.
"Wait... Even if I misread earlier, it's definitely hard now."
With a lewd grin, she eagerly worked his thighs.
"Feels like it's loosening nicely. Good blood flow. Now stretch both legs straight out."
With his legs splayed wide, his fully erect dick came into even sharper view.
"The size is insane... I wanna yank it out and suck it dry right now..."
Ji-yoo felt the urge to straddle him and grind her hips.
"I'll loosen your hips now."
Throwing out a flimsy excuse, she sat straddling his thighs, her pussy pounding like a heartbeat.
"Pressing my ass into his thighs is making it grow more... How big does it get...?"
Curious about its limit, she started "accidentally" brushing his dick.
"Oh fuck... It's rock-hard... And it twitches every time I touch it— so fucking sexy..."
He didn't resist her increasingly dirty groping.
"Almost there... If he takes this..."
Ji-yoo flashed a sly smile.
"I'll loosen your groin too."
As she began kneading his thighs and grazing his balls with her thumb under that pretext—
"Coach... Hold on."
Chung-hyun grabbed her hand.
"Is he about to cum already? Embarrassed? Or did he hold back until now and this crossed the line?"
A whirlwind of thoughts raced through her mind.
"I think we can skip the massage."
His expression was resolute.
"Why...? Wasn't he hard and enjoying it? Just a physiological reaction he couldn't admit without looking weird?"
She couldn't pinpoint the reason, but it was clearly a stop signal.
Her head knew she should quit, but letting this chance vanish felt like it'd never return.
If he wasn't into it, he might avoid the gym forever.
Ji-yoo was gripped by the conviction that she had to seal the deal now.
"Even if it's just physiology, with it that hard, a little more stimulation and he'll cave."
Her lips curved into a friendly smile.
"We're almost done. Just a quick upper body loosen-up to finish. That's okay, right?"
"Upper body?"
"Yeah. Legs are done, so light massage instead of stretches for the upper body and we're good!"
Chung-hyun hesitated, then released her hand.
"So, massage for the upper body is fine?"
Ji-yoo leaned in low, kneading his chest.
"What? Massaging his chest has it throbbing more. So he was close to cumming?"
She leaned even lower, pressing her tits against his dick while massaging.
"C-coach... You might need to go a bit higher... The position's kinda..."
Ji-yoo's lips quirked up at his words.
"Oh, right? Excuse me then."
Thrilled, she shifted forward until her ass was planted right on his dick.
"He told me to move up himself, so he can't complain now? God, though... why's his dick so hot."
Ji-yoo nearly rocked her hips without thinking.
"Every time I knead his chest, his dick bucks like it's gonna lift my pussy..."
She was just sitting still astride his cock, but its pulsing underneath felt like she was getting off.
"Haa... Screw it... I can't hold back."
Ji-yoo decided to pin the blame on him for the whole situation.
"If you keep teasing me with that thing..."
"Huh?"
"You're moving it so obviously—it's hitting right against me."
She began swaying her hips, rubbing her pussy along his shaft.
"No one's here, so you're seducing me on purpose, right? Coming in with that monster tenting your leggings—wearing those alone is guilty as charged."
"No, it's just physiology..."
"If my massage or this is too much, just say so. Or are you embarrassed it's a physiological reaction to my touch?"
Ji-yoo ground her hips bolder, circling his nipple with her thumb.
"The latter..."
"So it's not too much? You were just shy about getting hard?"
"Yeah..."
Ji-yoo found his fidgeting under her utterly adorable and tempting.
"You'd be too embarrassed to focus on PT with it like that, right? Especially in just leggings—it's all too visible."
"Probably... yeah."
"That'd be a waste. My sessions aren't cheap, and I don't want you distracted."
Ji-yoo grinned.
"So... want me to help you drain it?"
"Huh?"
"Once you bust one out, it'll go down and you can focus."
"B-but..."
"It's fine. No one can barge into a private PT room mid-session."
Ji-yoo pinched his nipple lightly.
"You don't want it?"
His silence made her laugh instead.
"Not saying no, huh? If you hated it, you'd have called me out ages ago."
One hand slid down to seize his dick firmly.
"One good load and you'll be able to concentrate, right?"
Still no reply from Chung-hyun—Ji-yoo's eyebrow twitched.
"I know it's a yes, but his pride's stung."
She cupped her massive tits with both hands, gazing down at him.
"Let's see if you stay quiet now."
Ji-yoo rolled her hips lewdly with a sultry smile.
"Want me to tuck it between these and milk it?"
After hesitating, Chung-hyun nodded, and Ji-yoo felt a rush of heat.
"Knew you'd cave eventually."
His explicit consent made her pussy ache unbearably.
"Makes me wanna devour that cock with my pussy like a bitch in heat... But hold off for now..."
Ji-yoo dismounted and repositioned him.
"Lift your hips a bit?"
Perfect titfuck pose. She tugged down his leggings.
"Fuck... How long would I last taking that? Just looking has my pussy tingling..."
As his rock-hard, throbbing cock sprang free from the leggings, Ji-yoo lost herself staring at it.