Tachibana, who was once regarded as the next young leader of the gangster group but lost the promotion battle to rival Yamamoto, is now a central figure in a group of outlaws who have been banished from yakuza society. He was repeating the wrongdoings of. One day, in exchange for 100 million bounties from Yamamoto, he receives a request to crush the Kanto Wide Area Gangster Association and Iron Heart.