Mayoi Neko Overrun! (迷い猫オーバーラン! Mayoi Neko Ōbāran!, Stray Cat Overrun!) is a Japanese light novel series by Tomohiro Matsu, with illustrations by Peco. An anime adaptation started airing on April 6, 2010. "Mayoi Neko" translates as "Stray Cats", referring the name of the cafe around which the story develops, and alluding to the orphans and other "stray" characters who collect there. It is also the name of a school club for helping people in the story.