satoru spends his days listlessly in a factory town. the old man segawa, a former yakuza, lives in the room next to his cheap apartment. one day, segawa tells satoru, “i’ll give you 5 million yen to put me out of my misery.“ satoru hesitates, and segawa sees through to the madness eating away inside him and begins to have a change of heart, and yet…!? a story of the filth of society and the dark path that satoru takes — on the edge of sanity — with a gun and 5 million yen.