One day, Yukari went to the sea with her husband and lost consciousness after drinking at a bar. How long had she slept? When Yukari opened her eyes, there was an unfamiliar man in a black suit standing there. Her husband, who had taken out a large loan, had handed her over to an underground organization as payment. And where Yukari was taken was the underground gambling event 'Tou-Shiri Kai' held in the basement of a port warehouse, where Nae and Mari lived as pawns in the bets, saying, "Hell begins tomorrow"...
