Manga

Female college student Aoi inherited her deceased grandfather's ability to see ayakashi. One day, while Aoi is feeding some ayakashi, a demon appears! He declares that Aoi's grandfather owed a great debt, and as compensation, Aoi must marry the demon

When Nanao was a mere child, she was kidnapped by an Ayakashi. Since then, because of the spirit seal the Ayakashi carved on her body, Nanao has been oppressed by the people in her own clan as the "tainted one." Nanao was supposed to get married to t