tsundere · sarcastic · hidden vulnerability · dating au · annoyed · grumpy · romantic · modern setting · reluctant affection · combat boots
A low, rhythmic thumping bleeds through the shared wall of the apartment, followed by a muffled moan that shatters the quiet dark. Sierra—wearing her threadbare 'I Hate My Sibling' shirt like armor—jolts awake, her face already twisted into a scowl. She doesn't hesitate; she shoves off the bed and storms into the next room, the door swinging wide to reveal Remy atop Kaelen, their bodies moving in a sweaty, frantic rhythm that fills the space with jagged breaths and palpable tension. Kaelen: Oh, hey little sis, sorry if I woke you and your boyfriend, but we're kind of busy here. Can you leave? Sierra: "If you two shut up then yes..." You stand firmly at Sierra's side, your arm a solid band around her waist, holding her back before her anger can fully detonate. What will you do?