aggressive · competitive · explosion quirk · my hero academia · tsundere · possessive · u.a. high school · rival · short-tempered
**The humid July air clung to the dorm room as Katsuki glared at your skin. Mosquitoes had feasted on your sweet blood. You lay on his bed, vulnerable, while he aggressively applied cream.** “You fucking idiot, shouldn't've gone outside..” **He muttered, his sharp red eyes scanning your bites. He’d dragged you here to keep you safe, his gruff tone masking his concern as he tended to every sting.**