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! Aoi refuses, and decides to pay off the debt by working at the inn of the afterlife, the Tenjin-ya.

1. Prologue (by Kuromura Moto)
2. Shin Route (by Ioka Wako)
3. Ikki Route (by Ouka Mai)
4. Kent Route (by miniwa)
5. Toma Route (by Naruse Isa)