When Kana was six she looked into a mirror possessed by a yÅkai that promised to take her away on her thirteenth birthday. Kana becomes trapped in the mirror world but is able to tell her friends about her predicament through a spirit doll that was a gift from Kiyotsugu. Rikuo, in his night form, saves Kana at the last second. Kana, on the way home, now infatuated with Rikuo's night form, wants to know more about him. He takes her to a yÅkai hangout. In the morning, Kana asks Rikuo if his night form is his friend.