Chuukan Kanriroku Tonegawa Temporada 1 Episódio 20

The man-eating Bog is a pachinko machine that makes a ludicrous amount of money for one of Teiais underground casinos. The time has come for Tonegawa to collect the winnings, which means a showdown between him, the diabolical device, and the man who responsible for it: Ichijou!