A fantasy web novel written by Isshiki Ichika (一色一凛) with illustrations by fame in the light novel version. There's also a manga adaptation drawn by Takino Daisuke, as well as an anime adaptation.
Translation of the original's full title is Berserk of Gluttony: The One That Exceeds The Concept Of Levels, but is commonly known simply as Berserk of Gluttony.
