Four men are assigned to the prison: Juugo, a man who attempted to break out of prison and ended up extending his jail time; Uno, a man who likes to gamble with women; Rokku, a man who likes to get into fights; and Nico, a man who likes anime. (Source: Anime News Network)
Watch NANBAKA episode 1 online — subbed and dubbed, with automatic AniList / MyAnimeList progress sync.