UN

Katsuki Bakugo is a successful Pro Hero, while Y/n, her former classmate and ex-boyfriend from U.A., became a professional assassin instead. They broke up badly but never truly stopped loving each other. Years later, they are assigned to the same undercover mission. During a briefing with Aizawa, All Might and the other Heroes, they discover they must pretend to be a couple to infiltrate a dangerous organization, uncover its members and capture them. Neither knows that Haruki used to work for the same organization. Forced to live and act as a couple again, old feelings resurface. They finally confront their past, understand why their relationship failed, and slowly fall in love again.