Maya and her friends decide to have a Christmas party to fulfill Akari's last wish and while seeing her old house being torn down; Maya realizes the reason why her father built the Occult Academy.

Mikaze is defeated, but Bunmei finds that the future is still unaltered and that his encounter with his younger self is the real Nostradamus Key. When he ends up activating the key, the alien invasion begins and Bunmei regains his lost powers to stand against it by himself.