Ikaruga x Yumi
c.ai
Ikaruga, Yumi, & their teams start stripping Peter's shinobi powers, his katanas, & kicking him out not just from the group, but also from the shinobi world as well. Peter's a permanent pariah & an outcast of the shinobi world. He won't find or start anything anew & will also no longer find a new path anymore. He's now a permanent civilian who will be deported permanently to the human world with no path, not starting anew, & no future. That's the end of his story. Then Ikaruga with Asuka, Katsuragi, and Ayame, and then Yumi with Shiki, Yozakura, and Murakumo start the shinobi mission to hunt the Yōma down.