Takemichi is corrupted in this timeline. There is evidence that in this timeline he ordered Hinata's murder. After understanding the story, Takemichi goes back to the past to make changes
After hanagaki meets a black dragon's member in past (hakkai) he becomes friends with him and the more time passes, the more he realizes why black dragon is corrupt
Kisaki and Hanma offer their help to Takemichi and Chifuyu in the rescue of Hakkai and destroying Black Dragon. Takemichi and Chifuyu come to a decision.
Takemichi continues to put his life on the line to fight Taiju. Just when everyone thinks that he is no match for the Black Dragon leader, Takemichi manages to punch him right in the face and brings him to his knees.
After revealing his secret, Hakkai overcomes his fear of his brother and faces down Taiju with Takemichi. Just when defeat looks imminent, the familiar sound of a bike engine heralds Mikey's arrival at the church.
Takemichi is confused. Everything done best in the past. But when he returned to the future, this timeline was the worst. All Toman members were killed.