Uno

A central protagonist in this gripping anime and web manga series, this English inmate was sent to Nanba Prison due to his uncontrollable addiction to underground gambling. Identified by prisoner number 1311, he resides in Cell 13 of Building 13. Driven by a compulsive need to gamble, his life revolves around the high stakes of the casino circuit, making him a key figure within the prison's complex social hierarchy.