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    Killiaia
    Brat.
    Cover image
    PublishedJul 8, 2026
    UpdatedJul 8, 2026
    LengthSeries
    Wordcount1,890
    Views18
    Rating
    Mature
    Genres
    smut with no plot
    Group
    LE SSERAFIM
    Pairings
    Female Idol(s) x Male OC(s)Female Idol(s) x Male Reader
    Idols
    Yunjin (LE SSERAFIM)Kazuha (LE SSERAFIM)
    Chapter 3

    Brat III.

    Ongoing
    Killiaia3h ago
    Previous Chapter
    Chapter List

    You don’t expect to see Rachel like this. Pissed off—really pissed off. 

    “Let me guess. Your sister?” Rachel rolls her eyes at your question.

    “Of course it’s her. Who else would it be?” Rachel replies, motioning for you to follow her. 

    “And what’s wrong with Miss Yunjin this time?” you ask as you pass her. But before she can answer, you hear Yunjin swearing in the bedroom. 

    “That,” says Rachel, exasperated. “She hasn’t stopped since this morning. She doesn’t know what to wear, she’s stressed out, and so she’s being a pain in the ass. "

    “Is it the vacation that’s making her like this?” you ask, already knowing the answer. 

    “Yeah. And I’ve been here since this morning, and I’m begging you, Y/N. Help me.”  You want to answer Rachel, but Yunjin storms out of the room, angry, tears in her eyes, completely ignoring you. 

    “You don’t want to help me? I’ve got my hands full with the band, and now planning the vacation and the trip and the plane tickets and the logistics…” Yunjin says, looking at his sister. Rachel wants to reply, but Yunjin doesn’t give her a chance.  “You’re just standing there watching me, doing nothing.” 

    “Jen…” Rachel begins, using Yunjin’s English name.

    “Is that your purpose in life? To live off me?” Yunjin snapped cruelly. 

    “HUH, YUNJIN,” you shouted.

    Yunjin froze. She hadn’t seen you. She didn’t dare turn her head toward you. It just slipped out.   Yunjin looks at her sister, who has tears in her eyes, and runs away. You’re angry. Yunjin starts crying too when she sees the reproachful look on your face.

    “You have no right to cry right now, Yunjin,” you begin. “I understand that you’re stressed, but that was just cruel.” "

    Yunjin opens her mouth to speak, but you raise a hand to signal her not to say anything. 

    “You want to be a brat? Is that what you want to do? Do you want me to teach you a lesson?” You step closer to her until she’s pressed against the wall behind her; she looks up at you. 

    "Answer me. "

    “I... I...” Yunjin begins, stammering in front of you. 

    “You’re going to pack your bags, you’re going to go apologize to your sister—is that clear?” you say, leaving her no other choice. 

    Yunjin nods, lowering her eyes. She watches you leave and realizes how foolish she’s been.


    --------

    “I told you I’d teach you a lesson...” you say to Yunjin.

    Yunjin is lying on the bed, completely naked. Her arms and legs are tied to the edge of the bed, and she’s blindfolded. 

    “Baby...” Yunjin begins. “I'm... Please, touch me. I've been a brat, I know, I'm sorry.” 

    “No. Why would I touch you? Do you deserve it?” you ask. 

    “I... Please... I...” 

    You get up and take something out; Yunjin hears all the noise and a shiver runs through her. She struggles, but you’ve tied the ropes too tightly. 

    “Don’t,” you say.

    Yunjin stops dead in her tracks.

    You take the ice cube and place it on her stomach; Yunjin feels the chill and lets out a little cry of surprise. 

    "It's cold! "

    You kiss where you’d placed the ice cube, sliding it lower, drawing a moan from Yunjin. You stop it just above Yunjin’s clit.

    “Are you...” 

    You don’t let Yunjin speak; you press the ice cube against her clit, drawing a moan from her. 

    “Oh god...” 

    “Does that feel good?” you ask, removing the ice cube. Yunjin nods. You press the ice cube against her clit again and take one of her breasts into your mouth; Yunjin arches her back, letting out a cry of surprise. 

    “MY GOD,” Yunjin moans. “It’s… Oh… Wow…” 

    You bring the ice cube to Yunjin’s lips. “Open up.” Yunjin obeys. The melted ice cube is smaller and slides easily into Yunjin’s mouth. “Good girl.” Yunjin moans at the nickname.

    “Daddy...” she says. 

    “There you go, my girl.” You start to slide your hand down toward her clit, you feel Yunjin's body shiver, and very gently you begin to make circular motions on her sensitive spot. Yunjin opens her mouth to moan, but you kiss her before she can. 

    “ I’m gonna use that pussy, is that clear ?” You ask. A loud whine escapes her lips as the dominance in your voice makes her legs tremble. “ Yes… crystal clear..” she biters her lip hard, her chest heaving.

    “ Use my pussy however you want..I'm all yours..” her voice is shaky and breathless, completely submitting to you. 

    “ Do you think you deserve it ? “ You pinch her clit. “ Ahhhh! I-I don’t know! Please ! “ she thrashes against the restraints, her whole body trembling for the sharp pinch on her clit. “I'm so bad.. I’m a brat.. I need to be punished..Used..please..”

    “ You are wet. “ you say. 

    She blushes deeply, her face burning with humiliation and arousal. “Y-Yes..I’m wet.. So fucking wet for you..”

    “ What does it feel like to be tied like that ? “

    “ It feels.. it feels so dirty and good.. “ She arches her back, pulling against the restraints. “ I can’t move.. I can’t touch myself.. It’s making me even wetter knowing you could do anything to me.. “ 

    She lets out a loud moan, her body jerking as you rub her clit. “ Ahh! Fuck! Yes ! I need it.. I need you to play with my stupid clit.. ! “ tears prick at her blindfolded eyes from the overwhelming pleasure.

    You stop touching her. “ NO ! Please ! Don’t stop ! “ she tugs frantically at the restraints. “ I’m sorry ! I’m so sorry ! I’ll be good ! “Please ! “ 

    “ Please who ? “ you ask, enjoying her plea. 

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    2 likes from kryphtot and kaiser514.

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