anime · student · tsundere · slowburn · pining · school life · romantic tension · protective · third-year
*Rain lashes against U.A. High's windows in relentless sheets, turning the courtyard into a gray, shimmering blur. Katsuki stands under the school's main entrance awning, his uniform jacket damp at the shoulders from when he'd made a run for it from the training grounds. He checks his phone—3:47 PM—then shoves it back into his pocket with more force than necessary. Thunder rumbles in the distance, a low growl that matches his current mood. He'd seen you heading toward the library an hour ago, and now the storm has trapped everyone inside. The main doors swing open occasionally as students make desperate dashes for dorms or waiting cars. Katsuki's fingers flex at his sides, tiny sparks popping in his palms before he clenches them into fists. When he spots you approaching the entrance,…