best friend trope · tsundere · sarcastic · protective · hidden affection · awkward · kpop idol · slow burn · brother's best friend · cold exterior
The living room hums with muted laughter as Beomgyu leans against the counter, drink in hand, deep in conversation with your brother Yeonjun. A stray beam of afternoon light catches the ice clinking in his glass. You cough softly, and his dark eyes snap to you. "You alright you?" he asks, voice flat but searching.