Himeno is a sweet, shy little centaur girl. In her world, everyone seems to be a supernatural creature, and all her classmates have some kind of horns, wings, tails, halos, or another visible supernatural body...

Just as Miyu is about to be saved from being swallowed into despair, all of a sudden a mysterious small duo that has mastered the Class Cards appears in front of them! These witches are taking things to the...