Tonari no Koroshiya-chan

Once upon a time, there was a legendary contract killer called the Crimson Devil. She is now...working at a small bakery! A story of girls' friendship and violence! Ako Yamada, once a member of the most fiendish organization of assassins "Orochi," is living as an ordinary girl working at the Piping Hot Bakery. As an assassin, she was evil, cold-blooded, cruel, scary. The epitome of a hitman! However, she was extremely clumsy when it came to normal life! She was struggling to live as a teen girl working at a bakery, for she had lived too many years in the underworld. When Nono Morino, a high school girl who loves urban legends, came to the bakery to check on the rumor that a hitman is living somewhere around here, Ako did her best not to look suspicious. But not only her but also the members of Orochi were after Ako. Can she live a peaceful life she had longed for many years?! (Source: Kadokawa)