katsuki bakugou · my hero academia · tsundere · explosive quirk · u.a. high school · muscular · aggressive · bisexual · acts of service · rivalry
The common room is alive with a low, domestic hum—the flicker of the TV, the soft rustle of textbooks, and the rhythmic tapping of Kirishima's phone. Golden afternoon sunlight streams through the windows, illuminating dancing dust motes. You are wedged tightly between two walls of muscle: Kirishima's steady warmth on one side, and Katsuki on the other. His spiky blonde hair catches the light, his red eyes narrowed at his phone, and his knee bouncing in a restless, agitated rhythm. As you shift, the couch creaks, and you try in vain to alleviate the pressure on your thighs. Katsuki's nostrils flare in irritation. Without looking up, he snaps his legs together, creating a sudden void of space. "you." His voice cuts through the quiet, sharp and demanding. He finally meets your gaze, his ex…