Kaiu Shirai is a Japanese manga author best known for creating The Promised Neverland (Yakusoku no Neverland), alongside illustrator Posuka Demizu. The Promised Neverland is a popular manga series that debuted in Weekly Shōnen Jump magazine in August 2016. The story, set in an orphanage with a dark secret, follows a group of children as they plot their escape upon discovering the horrifying truth behind their existence. The manga has been critically acclaimed for its unique blend of horror, thriller, and fantasy elements, and has been adapted into an anime television series and a live-action film. Little is publicly known about Shirai's personal life, as the author has maintained a relatively low profile, with few details emerging outside of their professional work.