In 2012, Haruka Sawamura who was a member of a pop star group, DREAM-LINE, quit her job by announcing that she had a relationship with Kiryu Kazuma who was a legendary yakuza. At the same time, disputes between two yakuza groups ended. Kiryu got caught by the police as responsibilities of the disputes, and he accepted to save her and children of his orphanage, Asagao. Although Haruka quit her job and came back to the orphanage, she realized that the children was in problem occurred by her compression and decided to disappear not to disturb their lives. In 2016, when Kiryu came back to the orphanage after he was released from a prison, he realized that Haruka was missing and went to Kamuro city to get clues of her information. In the city, a fire happened a year ago, and Chinese mafia have stayed there. Kiryu heard that Haruka was in coma because of a car accident and she was in Hiroshima before the accident. His friend, detective Makoto Date said to him that she hold a baby named ...