


Ryou takes bullets meant for Tatsuya, and he and Tsurume commits suicide through a self-inflicted gunshot wound and jumping off the Millennium Tower after being exposed. Tatsuya defeats Ryou to keep him from killing Tsurume. Ryou arrives with Tsurume's brother to expose Tsurume's involvement in the death of his lover, Shizuka. Tatsuya persuades Ryusho to save the ring, disclosing that Nioka had been betrayed by Tsurume and confronting him. He returns to the closed Dragon Heat and Ryusho, who is furious at Nioka for using the police to seize power. Winning the final fight in Osaka against Akita, he says that Nogizaki Ryou, Makoto's childhood acquaintance, has the real power before a sniper silences him and the Ashura frames Tatsuya for the murder. Tsurumi mobilizes his law-enforcement team to seize the city. When the Ashura kidnaps Saeko, Makoto delivers the ransom and sacrifices himself for her when the building in which she is held blows up by taking bullets meant for her. In post-game credits, the final conspiracy member is disclosed: Tsurumi Tadashi, secretly working with Naoki to take over Kamurocho. Despite the arrests of Tsutsui and Shindoh, they were unable to find information about the true mastermind behind the conspiracy as the data about the extent of the conspiracy was lost and all leads to the case are dead. Although Tatsuya defeats Shinjoh, his father sacrifices himself by taking a blow intended for him. When Taizan throws his final match after taking a vicious blow to the arm as an act of spite for being denied a rematch and sends Shinjoh, a secretary he personally trained in his fighting techniques, against them. He wants to learn what happened so Tsutsui will be arrested for the murders, and learns that Masatoshi once belonged to the Dragon Heat with Amamiya Taizan.

Tatsuya defeats eight other fighters, beats Hyuga Shou twice and also defeats his father.

He was paid by Tsutsui Masatoshi, a bullying land developer. Fifteen years earlier Naoki, needing money, helped commit insurance fraud by setting the Champion Street fire. When his wife died in another fire, he disappeared. When Saeko's parents were killed in the Champion District arson, Tooru and his wife adopted Saeko. Amamiya Taizan (Nogi Tooru) is Tatsuya's biological father and Saeko's foster father.
