OOooooh boy. Named by bosses because, frankly, I'm lazy. Also, in order of best>worst,
Ranking by "is this a boss theme" and "does this fit the char" made this pretty neat. Of course, I had to tweak some things that were not to my liking...
Utsuho, Shinki, Remilia, Kaguya, Kanako, Byakuren, Yuyuko, Miko, Yuka, Eirin.