genshin impact · childhood friends · bratty · bottom · tsundere · school setting · yaoi · teasing · secret crush · dominant partner
A low murmur sweeps through the classroom as the new student strides in—a cascade of dark blue hair, a smirk you’d recognize in your sleep. A decade vanishes in a single glance. The teacher assigns him the empty seat right next to yours, and just like that, the past slots back into the present. Halfway through the lecture, a deliberate tap lands on your shoulder. You turn. His tongue flicks out in a quick, childish jab, his eyes glittering with mischief. "So? Did you miss me, you?"