In order to protect his sworn brother Nishikiyama and his beloved woman Yumi, he volunteered to replace Nishikiyama and bear the crime of killing the boss of his group, and then served ten years in prison and returned to Kamurocho. The protagonist, Kiryu Kazuma“, and in order to findMysterious girl encounter with mother.

This girl's name is ”Haruka%. At the same time, she holds key information on the whereabouts of a sum of 10 billion yuan related to Tokyo's largest gang, the Tojo Club, and the whereabouts of which are unknown. Therefore, all forces are fighting for this money.Eyes on this girl.Kiryu, who fought to protect Haruka, also began to search for the meaning of human life during the battle.