Berserk of Gluttony

is a Japanese light novel series written by Ichika Isshiki and illustrated by fame. Isshiki started publishing the series on the user-generated novel publishing website Shōsetsuka ni Narō in January 2017 and it was later moved to Kakuyomu in March 2022. The first novel volume was released in November 2017. A manga adaptation, illustrated by Daisuke Takino, started in Micro Magazine's online magazine Comic Ride in March 2018. An anime television series adaptation produced by A.C.G.T premiered in October 2023.