Twenty-five years ago, the three Nagiri brothers were known throughout the country, but suddenly, their family’s pillar of strength, their father, Nagiri Go, was assassinated by an unknown assailant. Even though he was a yakuza, he never strayed from the path of humanity.” With this belief from his father, the second son, Nagiri Kaname inherited the Nagiri clan. However, as the former clan member and now politician Fukuzawa Masashi prepared for an upcoming election, and Tanba Takeshi, the leader of the Tanba clan, was about to be released from prison, a violent incident sparked by the drug trade occurred. The eldest son, Nagiri Shun, a well-respected figure in Osaka, arrives with Minato to support their second brother, Kaname, who is on the verge of a confrontation with the main family.