Shin Mahjong Horoki 5

Original title: 新・麻雀放浪記5

Set in a prison, this fifth installment of the Mahjong Horoki series follows amateur gambler Tetsu and his companion An, both jailed after a confrontation with a death-row inmate. There, a warden secretly brings a mahjong table into the cell, leading to high-stakes games where prisoners wager meals and status to survive.