Tokyo Revengers (Omnibus), Vol. 7-8

Takemichi's attempts to return Baji to the fold have failed, and when he returns to the future, he discovers things are even worse than he feared. The future has changed, and with it, Takemichi's past. He remembers snippets of the upcoming battle between Toman and Valhalla, and he knows it ends with Kazutora killing Baji and Mikey taking bloody revenge. Can Takemichi convince Mikey not to kill the former friend who murdered his brother and now his best friend?! Does he even want to...?