A tale of yakuza family members from 1999 to 2019. Kenji Yamamoto's (Gou Ayano) papa passed away from utilizing a stimulant medication. His life fell into anxiety. Kenji Yamamoto then joined a criminal offense syndicate. There, he fulfills the gang's employer Hiroshi Shibasaki (Hiroshi Tachi). Hiroshi Shibasaki reaches out to Kenji Yamamoto and they established a relationship like daddy and kid. As time passes, Kenji Yamamoto has his very own family.