when someone dies, they are sent to one of many bars run by bartenders. there, they must play a death games with their souls on the line. the game reveals their secrets and what led them to their situation. based on what is revealed, the bartender sends them for reincarnation or banishment into the void. the story is about decim, a bartender of the bar where people who died at the same time are sent to. the place is also known as the quindecim bar. his role in judging these souls changes when he meets a curious black-haired woman.