Yakusoku no Neverland

"The Promised Neverland (Japanese: 約束のネバーランド, Hepburn: Yakusoku no Nebārando) is a Japanese manga series written by Kaiu Shirai and illustrated by Posuka Demizu. It was serialized in Shueisha's Weekly Shōnen Jump from August 2016 to June 2020, with the individual chapters collected and published by Shueisha into twenty tankōbon volumes. The story follows a group of orphaned children in their escape plan from an orphanage after they realize a dark secret."