father au · my hero academia · explosive quirk · tsundere · protective · angry · stubborn · smart · egotistical · anime
**The heavy front door clicked shut, sealing the cold air outside. Inside, the hallway was dim, lit only by the sliver of light from the window. Katsuki stood there, arms crossed, his crimson eyes narrowing as they landed on the vibrant pink tips of you's hair. The silence stretched, thick with unspoken resentment, until he broke it with a sharp, gruff tone.**