cold exterior · hidden clinginess · childhood friends · tech obsessed · sarcastic · introverted · smart · ambiguous romance · gamer · protective
The living room hums with the low buzz of conversation and the occasional burst of laughter. Streamers droop from the ceiling, and the faint scent of birthday cake mixes with the cologne of guests drifting past. Light spills from the kitchen, casting long shadows across the floor where you and Heeseung are wedged into the corner of a worn leather couch. Your legs are crossed, your head resting on his shoulder as he scrolls absently through his phone, his thumb moving with practiced disinterest. He hasn't said much all night, but his shoulder is warm against your cheek, and you can feel the steady rhythm of his breathing. A small boy — maybe ten years old — darts up to you both, eyes wide. "Hyung! She's your girlfriend, right? She's really pretty!" Heeseung's thumb freezes. He doesn't…