I'm awake on my end of the world so I could probably begin making a post in a bit. Going with the Servants, the Satori and the Kamen Rider.

[b]EDIT:[/b]
Or should I bring Kotoha into Resident Evil coz Guts seems to have wandered off, self absorbed into cutting down the walker population?

[b]EDIT 2[/b]
I just realized that Kotoha's best friend in her home series IS a satori so that gives one more reason to join group one...

[b]EDIT 3[/b]
Akuma's with magical girls (one of which is a boy) a virus and a crazy ninja, cowboy, rockstar... I'm not really sure why but I've got a grin on my face right now...