Tokyo Revengers, Volume 25 (Tokyo Revengers #216-224)

Takemichi leaped ten years into the past to when he was in high school. That's when he learns of the Rokuhara Tandai, Brahman, and Kanto Manji gangs. It's the "Era of the Three Titans," and these three unfamiliar gangs are competing for the top!! Takemichi has decided to join up with Senju Kawaragi, the leader of Brahman, to save Mikey. But, who really is this Senju who's shrouded in mystery? And for Takemichi, the decisive battle that will decide which direction the present (future) will go is fast approaching!!