Prologue
Prologue
I had one peculiar ability that I couldn't tell anyone else about.
Should I even call it an ability? Maybe a phenomenon? Or perhaps a hallucination?
Anyway, this thing—whether it's an ability, a phenomenon, or a hallucination—is this:
I could see through my step-sister's clothes with clairvoyance.
....
Don't judge me.
Don't curse me out.
I know you wanna hurl stones and call me a crazy bastard spouting nonsense, but it's true.
Even right now, like this.
If I focus on my step-sister sitting at the table with me, eating breakfast...
Her thin T-shirt starts to blur and turn transparent, revealing the soft flesh packed tightly inside.
My noona's bare chest.
It lays itself out in front of me, stark naked...
What the hell? Noona's going braless right now? Just seeing through one layer of T-shirt, and her pink nipples are right there in plain view?
"Gasp."
"......?"
I let out a short groan and ducked my head, so noona—who'd been chopsticking away—stopped and shot me a look.
"What's up?"
"Nah, nothing."
"......."
Even if noona asked why I was awkwardly hanging my head, I couldn't exactly say I'd been clairvoyancing her tits, got shocked by her vivid nipples, and whipped my gaze away.
"What? You were just staring at my chest, weren't you?"
"N-No. I wasn't?"
"You perverted fuck, what do you mean 'no'? Why the hell are you staring at noona's tits? Ugh, gross."
But noona had caught my gaze ages ago, of course.
She lifts her arms to cover her chest, glaring at me with eyes full of contempt.
A punch comes as a bonus.
She smacks my forearm while I'm eating right next to her.
But this time, I had an excuse.
"You're the one who should be asking why you're not wearing a bra, noona. Gross."
There's a line between siblings.
If you're not wearing underwear when I'm staring right at you, of course I'm gonna freak out, clairvoyance or no.
"Whether I wear underwear or not is none of your business. Don't sneak peeks like a perv!"
"Put some clothes on. You scared me."
"Hey, it's just you and me at home—do I really gotta worry about that? Let me chill at home."
Of course, I love it when noona goes braless around the house, but I grumble anyway.
"That's being a nuisance. What if I walked around naked like you do at home?"
"Hmph, no way that's happening. I'd tell Dad everything."
"I'd tell Dad you're not wearing underwear too."
"Go ahead. I'll say you're the perv sneaking peeks at noona's tits."
It's low blow, but if Dad—who got us this Seoul rental—knew his step-siblings were pulling this shit, he'd probably clutch his neck.
We're living separately to attend uni in Seoul, but if he found out his son was ogling his step-daughter's chest, how do you think Dad would feel?
He'd look at me like I was a beast.
Dad's not on my side in stuff like this.
Dad remarried my stepmom and lives with her.
So the Cha Hye-rin in front of me is my stepmom's daughter—my step-sister.
From Dad's perspective, he'd have to treat step-daughter Cha Hye-rin more delicately than his own son.
If embarrassing shit like this went down, he'd chew me out casually as his real son, then gently lecture noona.
Our parents remarried when we were in high school, so Dad and noona were still awkward father-daughter, not long living together.
That's why she gets away with being so brazen.
"No comeback, huh? Stop staring at noona's tits like a perv and just eat."
"......."
She chopsticks away, arms still covering her chest.
I shake my head like I'm consciously not looking and shove food in my mouth.
Truth is, I loved when noona wandered the house braless. It turned me on.
But that's the problem—it turned me on.
What am I supposed to do, getting horny for my step-sister?
Incest? That's only for porn, smut stories, adult webtoons—fictional crap.
Common sense says you don't get horny for your step-sister. No way.
Seeing family you live with as a sexual object makes you a crazy bastard. A crazy fuck.
Even if noona's careless and goes braless at home, even if I have this weird ability to clairvoy her clothes.
I had a moral line I couldn't cross.
Noona doesn't turn me on. Didn't see her tits. No clairvoyance. She's family, not a girl.
I had to brainwash myself endlessly.
"Hey."
"Yeah? What?"
After eating and washing up, as she geared up to head out, she called me.
"Wanna get pizza for dinner?"
"Pizza?"
"There's a chain nearby. Grab a set and we can split it."
"Pizza sounds good."
"But they do 40% off for pickup only. Swing by after your classes. Got it?"
"Wait, why me all of a sudden?"
Cha Hye-rin assigns me the errand like it's obvious, slips on her shoes, and heads for the door.
She glances back with a smirk.
"Think the whole shrimp combo pizza would be tasty. What about you?"
"Whole shrimp combo pizza?"
"If there's something special you want, get that. But you know my fave, right?"
"Fine. But who's paying?"
"I'll send you the cash. Noona's treat."
"Alright..."
She mimes shooting me with finger guns and heads out.
Guess we're having pizza tonight.
"One whole shrimp combo pizza set."
Before heading home that evening, I picked up the pizza set.
Noona got home waiting, we split the pizza, then I went to my room and locked the door.
"......."
Changed into pajamas, sat on the bed, pulled out my smartphone.
My routine's monotonous.
Engineering major: classes, library study room, home.
Weekends without school, I do convenience store shifts—after evening ones, same deal: home, lock door, bed, check phone.
Not like there's urgent messages or a packed schedule.
Just unwinding after the day, browsing the net, that kinda thing.
"......."
Staring blankly at my phone, suddenly this morning's image of noona's perky teardrop tits pops into my head.
Damn, I'm hard. Gotta jerk it off to calm down.
This bizarre ability—or symptom.
I could only clairvoy step-sister Cha Hye-rin's clothes.
If I could do it on other girls too, I'd live a blissful life peeping every woman's naked body whenever I wanted.
Why only Cha Hye-rin?
Getting horny for my step-sister, and being able to clairvoy just her clothes to see her bare skin—super inconvenient.
I'm the type with raging sex drive.
Horny thoughts multiple times a day, dick springing up hard. I could jerk off five times if I felt like it.
But my lust keeps veering toward my step-sister? Gives me heavy, deep guilt.
We're family.
Not blood-related step-siblings, but still family.
Step-siblings crossing lines easily? That's fiction material, not real families—society wouldn't get it.
I think the same—nope.
Dad's a cop. Grew up in a pretty strict household.
Sex crimes? Incest? Unthinkable.
Can't get horny for noona. Even if she roams braless, even if focusing lets me clairvoy not just no-bra but her actual bare tits—nope.
Untouchable. Soothe this horniness with porn.
I fired up porn on my phone, soothed my excitement with some classy self-love.
Cha Hye-rin's tits from this morning kept overlapping with the pornstar's body, but I ignored it hard.
Not horny. Not for noona. My dick's up, but not because of her.
Chanted it like a mantra, focused on the actress's face, and the interest shifted.
I jerked to the actress, not noona.
Definitely.
Hoo... hoo...
Wiped my erupted lust with tissues.
Unlocked the door, washed up in the bathroom, back.
Bedtime now.
Didn't chat much more with Cha Hye-rin.
She's in her room, door shut, resting.
Our tiny rental.
A few steps and we're in each other's space, but those doors act as partitions guarding our privacy.
"......."
Does Cha Hye-rin know I got excited looking at her?
Nah, no way. I hid it well.
Hope it stays that way forever.
Step-siblings living together still gotta keep lines.
Step-sibling thing's so ambiguous.
No childhood memories growing up together, so in a way, she's less than a friend—just some stranger woman.
But legally family now, living together, so it's a warm family bond.
Farther than regular family, closer than regular opposite sex.
Too awkward for "real sister," too close for "close sis."
Confusing, awkward. If she didn't turn me on, I wouldn't have these dumb worries.
Just laugh it off as new family.
"......."
Anyway, jerked it, so feeling way more relaxed as I lay down.
Regain peace, sleep.
As an engineering student, hard to get a girlfriend.
So at my prime 20s, feeling heterosexual attraction to my careless noona makes sense.
And objectively, noona's pretty cute-faced—guys sneak peeks at her when we're out, checking her out.
Living with a hottie like that, step-sister or not, getting horny's possible.
Don't get the clairvoyance, why only her clothes—whatever, if I don't use it, no issue...
Piling up random thoughts, consciousness fading from reality.
Drift off gently. Peaceful. Peaceful...?
I open my eyes to an unfamiliar ceiling.
"......?"
Clean, cozy hotel room. Lying in bed, Cha Hye-rin next to me, eyes closed, sleeping on her side.
[The Room You Can't Leave Unless You Milk]
I blinked at the inscription carved inside the hotel door.
Fuck, what the hell is this?