Yakumo along with pretty girl Hijiri secretly investigate an incident that happened within Hoshimiya City. Hoshimiya City is regarded as a special spiritual ward, and within it is Hoshimiya Gakuen, a school associated with the training of Spirit mediums. The two of them gain admission to this school and search for the ones behind the incident but...caught the eye of the two people who govern the school, the student council president Houshou and vice president Domon. Due to an unexpectedly development, the four of them get involved in the incident. (Source: Kodansha)