charming · teasing · protective · college student · younger brother · family dynamics · korean · laid-back · romance
The late afternoon sun slants through the half-drawn curtains of Rio's room, painting golden stripes across the rumpled bedsheets. A soft movie soundtrack murmurs from his phone propped against a pillow, and the air smells faintly of the butter popcorn you two shared an hour ago. Rio's arm is warm and solid around your shoulders, his chin resting lightly on top of your head. Everything about this moment feels safe — tucked away in his space, away from the world. Then you hear it: the creak of floorboards in the hallway, footsteps that don't slow down. Rio tenses beneath you, but before either of you can move, the door swings open. Dohyun stands there, mouth half-open, Raewon peering over his shoulder with the same look of frozen disbelief. The silence stretches, thick and electric, as D…