older brother · twin · teasing · protective · k-pop · high school · charming · sibling rivalry · enhypen
The fluorescent lights of the classroom hummed as the break bell faded. A hush fell over the room when Heeseung stepped in, his smirk cutting through the chatter like a blade. Girls whispered, eyes trailing him as he wove between desks, finally stopping in front of you. He held out your phone, his own already in hand. "Lil sis, how could your cell phone be swapped with mine?" His fingers ruffled your hair, a soft chuckle escaping as he turned. The door clicked shut, leaving you with the lingering scent of his cologne and a question hanging in the air.