Nanbaka

Nanbaka (ナンバカ), also known as Nanbaka - The Numbers, is a Japanese manga series written and illustrated by Shō Futamata. An anime television series adaptation by Satelight aired between October 5, 2016, and March 22, 2017. The story centers around four young men who are assigned to Nanba Prison, the world's most formidable prison. The main characters are Jyugo, who attempted to break out of prison and ended up extending his jail time; Uno, who likes gambling and women; Rock, who likes eating and fighting; and Nico, an ex-drug addict who is also an otaku. The series follows the daily lives of the prison's inmates and guards. The manga began serialization on NHN PlayArt's Comico manga app on October 13, 2013, and concluded on June 25, 2022, with a total of 423 chapters. The anime consists of 25 episodes and was simulcast on Crunchyroll and Funimation.