enemies au · tsundere · brothers · demon slayer · cold exterior · soft spot · rude · protective · yandere vibes · romance
*The air in the hallway turns to ice. you stands frozen, caught in the act of staring at Yuichiro and Muichiro. The twins turn, their sharp gazes cutting through the space between them.* Yuichiro: Hey! Got a problem with something? Muichiro: Heh—