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    Outta My Mind
    Cover image
    PublishedJun 13, 2026
    UpdatedJun 13, 2026
    LengthSeries
    Wordcount2,978
    Views11
    Rating
    Mature
    Genres
    SmutCollege
    Group
    Kep1er
    Pairings
    Female Idol(s) x ReaderFemale Idol(s) x Male Reader
    Idols
    Chaehyun (Kep1er)
    Chapter 1

    Prologue: Staircase

    Ongoing
    ov1052h ago

    Chaehyun has the brightest of ideas after one lecture.

    2
    Chapter List
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    Author's note

    Personally, one of the better blows I have written. I must've done something right from this part onward. 2,970 words of Kim Chaehyun. Enjoy!

    “Now, sex, when casual, devalues it in a way. Like coins, it becomes boring, taken for granted,” our professor said in her opening remarks, putting a pause before a split-second smirk came on, erasing as she dropped the closing sentence, “Though in moderation, oh, trust me, it’s a lot of fun.”

    Looking around the room to the impressionable assembly, she threw something to get us going or to expose us. Who knows. So she bellowed out.

    “So, a show of hands of those who have experience!"

    A chuckle came from my classmates, with someone playfully remarking, "Foreplay included, ma'am?"

    Another chuckle. Yes. So I shyly raised my palm just right beside my face. I was still trying to keep a low profile among the other classmates who had their hands shot up—then turning the question around to only those who’ve done foreplay and were, by society’s labels, virgins. Some hands retracted in response. I have only done the latter. The former just barely came close. At least, that’s what I tell myself. I kept my hand up. And now, everyone else turned their heads and looked around for a match.

    "No way,” Chaehyun chuckled beside me, “seriously?”.

    I shrugged because she had hers raised too.

    She probably thought I would’ve been a full bachelor after all the times I’ve managed to slip in quietly and mingle at parties. I put my hand down and picked my pen up. I gave it a second or two for the presentation to start before I leaned in and back with a quick whisper.

    “I don’t know. I thought you’d got some too."

    Chaehyun looked at me, stopped writing as she thought of a reply, and looked back down at her notebook as she continued writing.

    "Sometimes I wish I did.”

    I just agreed with her. Minding my own business as we were quickly being left behind. Being coursemates, we just followed a couple of our classmates around as the afternoon reached its end. We could only catch up as soon as it was just the extracurriculars for some, and for us, nothing more. I caught up with her on the third-floor staircase, slowly walking down while on her phone.

    “You wanna go to 7/11?” I asked her as we often did. It had become a habit as we became acquainted two years ago as partners in the other section, a necessity being only a quarter the size of the first section. Even as the classes merged, it was still a partnership out of circumstance. She knew my persistence, so this seemed like just another question. Being the sometimes overly prodding personality, I am. I was not about to let this revelation go quietly. It was about our sex lives, and we were twenty. So I ought to have chosen my words carefully but didn’t.

    “Prof exposed us, huh?” I started. She just agreed as she took off her jacket.

    Some unnecessary drivel on our part started to justify our sexlessness, thankful we weren’t being driven insane by it. Just riding along with the conversation as we slowed down to a crawl. We both understood that we were envious of peer pressure. So I asked her again.

    “A girl like yourself? A virgin?"

    "Well, I like being alone sometimes,” Chaehyun replied.

    She snapped back quickly and closed the door on me.

    “I did think you’ve had at least some experience."

    "Honestly, I lied,” I snickered, raising my hand and shaking it, “It was, um, eh, might as well say my second time was my first.”

    “What, you came early?” She replied. I admitted to it, of course. Though in review, I was too excited and went too fast.

    “And you? Don’t you think you got something to admit to?"

    "No,” she said, “I am a virgin.”

    “So only foreplay then?” I replied, chuckling.

    She just shrugged and admitted to it. Before I could press further, she went on talking, reassuring me that maybe it wasn’t our time, even with my regrettable first attempt.

    “Don’t tell me you suddenly wanna try it,” I added as we turned the steps. Chaehyun shifted, and I did too.

    “Well,” she started clutching her bag, taking a deep breath, then whispered, “what if I do?"

    Chaehyun and I stared daggers into each other. I tend to be sulkier to unnecessary surprises, yet I only felt flustered and blank. I just hoped she shared the same sentiment. It was already an awkward request on her part. The last thing I needed to do was make it worse. But I was a friend too, not some stranger at a party, and she usually wasn’t as straightforward as me. I hadn’t gotten to this point, so I needed to charge headlong.

    "When?”

    She closed the distance, stopping at the step right above me.

    “Let’s start now."

    Chaehyun said as she took my hand, which had also been clutching the strap. Tensions haywire at the spontaneity of everything as she dragged me down the hall, briskly disappearing into an unused wing that was only used on Saturdays. It was Thursday afternoon, and tomorrow was a holiday. We were throwing our bets not to run into another couple that was far friskier than we were planning to be. The silence that greeted us as we took a turn gave a preview of what was to come.

    We arrived at a staircase, which was dark enough to make me start asking her why we just had to be here. But hearing her drop her bag aside made me follow her lead and give one last peek down the hall. Unless one of us moaned loud enough, there shouldn’t be anyone going this way.

    Putting her hands on my chest, she slowly put me against the wall, huffing as she dug, then softly pressed her fingers on me. I saw her hesitating, glancing downward, where my hands held her, then at my lips, as I didn’t perch forward. I just waited. Though I thought she would run away, she closed the gap and put her lips on me. Hand coming on my neck as the other raced down to my crotch, lightly squeezing and tracing up along my shaft, breaking away as she reached the tip, blinking as she smiled.

    "That’s,” Chaehyun collected her words, “something.”

    “You can see why I popped quickly."

    "Tried to push too deep, hm?"

    "And cost me my ego,” I replied. Chaehyun came in for a kiss and finished my words for me, “So be gentle for me later.”

    I just nodded. Coming back to the frisky antics we’d already started. I moved my hands up from her ass, stopping under her tits, pressing on her bra to try and send a message, pulling me deeper to give the green light to it, moving up to get my fingers around and squeezing her tits, eliciting a quick squeal. Not too fast. Cupping her tits and slowly kneading them worked just as well, seemingly not noticing my hand going downward. But just before I could get to her skirt, she asked.

    “Wanna sit?"

    So we did, sitting where we both had just been standing. Chaehyun got on top of me, and before I could even say anything, she pressed down on me. She just resumed what we had been doing a few seconds ago. I put my hands back on her tits, lightly squeezing them as I had thought my initial haste was too much for her. Hand went into her skirt and rubbed her thighs, making her start grinding. Telling myself to stay calm and follow her lead—this was what she wanted—and this was her show now. I was merely a conduit.

    We were finding ourselves on a dark staircase, sitting on the steps with her body weighing me down, her lips and hands rubbing my crotch, doing her best to soften me up. I did the same with a hand on her tits, another switching between her thighs and ass, squeezing the soft, pale flesh both ways. I thought she was just making out and teasing me instead.

    "Are we just gonna make out?” I asked, my impatience barely pulled back.

    “No, I just took my time,” Chaehyun replied.

    Her other hand moved between and started undoing my belt, having done more than enough as she unzipped and got off of me and, taking a kneeling position, created impromptu by throwing her jacket on the ground. While she had done that, I saved her the work by pulling my pants and boxers off just to my knees, with her pulling them further down, biting her lip as she put her fingers around my shaft, giving me bedroom eyes as she slowly started stroking it up and down its length.

    When it came time, she thought I was hard enough. Chaehyun asked that question.

    “You got a condom, right?"

    I just shook my head, having expended the only one a week before I broke up. She slumped her shoulders, sighing, thinking of a way to bail out our situation, but chose to press ahead. Having that twinkle in her eyes as she prepared to answer, slowly licking her lips as she knew I had my eyes on her.

    "So you have a week then,” Chaehyun replied, chuckling as she came close, “I might even have to borrow a friend’s dildo.”

    She stuck her tongue out and traversed from the base to the tip. Stroking it as she put her tongue back, noticing the look on me as she perched down.

    “You’re only the second cock I’ve seen, and well,” she said, pulling her hand away and vaguely said as she tied her hair.

    “Porn’s going to feel pretty tame now."

    I could not think whether that was a compliment to herself or me.

    Chaehyun then engulfed my cock with her lips, shallowly bobbing her head while pressing her tongue under my tip. Hissing as she combined it with slow stroking and rolling of her tongue. She was even tilting her head a bit. While I sometimes twitched, given the whole minute, she had my cock in her mouth, relentlessly trying to get me to moan. Little did she know I got off more if she just looked up. Throwing me back to the times when I tried to get off on sheer imagination, she almost always came to mind.

    She saw that I was just waiting for something to happen. She thought I wanted it slow. And I did. Dialing back, she kept her hands on my base and her lips on the tip. Letting me watch her swirl her tongue, suckle her lips, and slowly bob her head on my shaft. All while switching between closing her eyes and glancing at me when she licked my shaft.

    It was far from a sloppy amateur’s work, though not a maestra’s, still trying to figure her way around me, getting on at a decent pace that seemed new for someone insistent on foreplay experience. Our impulsions led us here, so there was not much to think about apart from quenching young lust. Yet the cute, chubby face and pale visage of Chaehyun as she knelt and blew my cock will never leave me.

    Gripping my shaft tightly in her fingers as she stroked while sucking on my tip in quick intervals. It got a bit loud as she ramped the intensity up, even popping away when she got carried away, purring and moaning, not missing a beat as she wrapped her lips back. Though sometimes, she broke that seal intentionally, licking me up from the base while hiding a smile behind it all. I’ve had some, but I was enjoying this far more, so I thought of saying something.

    "That’s not too shabby."

    "I’m not one to disappoint,” Chaehyun sneered.

    Forming her lips around my cock, she put her hands down as she straightened her neck and pushed down slowly. Stopping halfway down my cock, stopping for a second before going further until she hit the back of her mouth, making her gag. There was a little more give before she could fully meet her fingers, so she tried again, with the same result—and an unexpected twitch from my cock—her mouth closed up, gagged, shut her eyes, and pulled back.

    Wiping the bottom of her lips as she stroked my shaft, Chaehyun had her eyes set on egging me on while sucking my tip, though this time, her tongue was pressing hard on my base. I felt my breath shake and toes curl a bit, giving myself away, seizing up a bit as I slightly leaned forward, keeping me in her grip.

    Pushing her words aside, she came back down. I watched her wrap her lips around my cock and slowly put the pressure back on. Resuming where she had been, past her attempts at deepthroating me, carelessly bouncing her head along to the point that saliva was starting to trickle on her knuckles. Meanwhile, she read on my face I was beginning to lose it, with a few shy twitches here and there, hissing through my teeth, my breath shaking as I cussed, that even my hips bounced a bit.

    Though if there was one regret I had at that moment was that she wasn’t naked. I couldn’t get more out of the thick hips I ran my fingers all over earlier. Worst yet was that Chaehyun didn’t unbutton her shirt. I’d have to try and stave myself off for a week to get another chance. I could take control and force myself raw, possibly with a slap on the face and a knee to my balls, but the warmth of her mouth was enough for now.

    After some time, her saliva slipped under her grip, with a hint of precum on her taste buds. Letting me go to breathe for a second, slightly squeezing at my balls as she rested her hand on them. A slow pulsating came from her palm that matched the way her mouth moved. She had made my head slick, so all that was left was to take it slow and make me cum.

    Without announcing her intentions, she sealed her lips around my shaft. The grip was even more unbelievable this time, sending a shock up my spine that sparked the fuse of the end, feeling a sheen of sweat on my forehead as I ran my fingers through my hair. I knew where she wanted me to shoot.

    In what might’ve been a preview of next week, the skill she displayed with her tongue as she kept me locked with her lips. Trying not to move and just rattle in place, perhaps not to surprise her with undue roughness. A fiercely persistent Chaehyun always got what she wanted. Being the willing guest to her closed wish, I thought I could do more, but asking myself to stretch my endurance for a favor seemed unimaginative. I’ve imagined and denied myself of this dream before.

    Yet this was reality, where the end of this dream was not a fade to black.

    “Fuck… I’m close,” I breathed out. Chaehyun just nodded with her eyes.

    I placed my hand on her nape, and she gave me that look that said we had crossed a line we could not return from now. It was a turn that seemed natural at the moment. So she went deeper, the warmth becoming unbearable for our lust, the grazing of her lips triggering the final, erratic twitches as precum dripped out of me.

    Chaehyun’s eyes, well, it was always them, that gaze, begged me, together with her tongue, to just let go. And like an artillery lanyard—she pulled—so I fired, abruptly thrusting into her mouth as I shuddered, groaning as I lost what control was left.

    Futilely, I tried to count as the first shot began to fill her mouth. Both of us were moaning, biting my lip as my whole world just shook, and my cock cumming in her mouth. She slowly bobbed her head to help my release and took it all in as she kept her grip on my shaft as I emptied myself. Sitting there, I tried not to think. I felt slightly lighter as I tried to calm myself down.

    By the time I remembered Chaehyun, she was already wiping saliva off her lips. As she was reaching behind her head, I asked.

    “Well, where is it?” looking for the obvious.

    Keeping her lips shut, she raised her chin and then swallowed. She licked her lips and then replied.

    “There."

    I was amused, chuckling a bit as Chaehyun felt teased. I just shrugged, she was the one who got carried away, and I was still a little less vanilla than I usually was. So, in the end, I still was just along for the ride. It didn’t take long before we sneaked out of the staircase we had found ourselves at. Thinking we had spent all the afternoon sun to see it was still there. It had only been ten minutes.

    Making our way down the stairs, we tried inserting whatever topic was there from today’s class. Though the blowjob we tried to cover up, and gladly, we didn’t even look like we had something out in some dark corner of the building. I was already beginning to forget it as we joined another flurry of students. Now there was no room to mention it. It went just about as uneventful. We made our way through, tapped our IDs out, and said our goodbyes like nothing ever happened.

    I was just about to remember schoolwork and type my password in when a notification came up. It was Chaehyun.

    [ Friday’s fine ㅋㅋㅋ ]

    [ Eat first, then we fuck? ]

    Such language only meant eagerness. I typed as I waited at the crosswalk.

    [ Sure ]

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