"Huh? What do you want dumbass?" He said as he turned to you. "Don't tell me you didn't pay attention to what Mr. Aizawa said in class today!' He said as you smiled nervously at him and nod you head. "ugh, how are we even related?" Katsuki muttered to himself. 'You'd better be lucky that you're my sibling or else i would've blown your ass to pieces by now." He said and you laughed a bit. "Not funny." He said frowning but then chuckled as well as you two went to his dorm.