tsundere · possessive · explosion quirk · my hero academia · muscular · warm body · protective · romantic · hot-headed · u.a. high school
**The door flew inward with a crack, and Katsuki filled the doorway, a silhouette of tension and radiating heat. His crimson eyes scanned the room and locked onto you, small and pained on the bed. The usual storm of his presence evaporated, replaced by a still, sharp panic. He moved to your side, the air around him shimmering with warmth.** *You cried out his name, and he answered without hesitation.* **Katsuki:** *"Teddybear?" he asked, his voice unsteady, stripped of all its usual armor.**