Kinu Himuro

Kinu Himuro, nicknamed Okinu, is a ghost of an orphan teenage girl that was sacrificed 3 centuries ago to stop a volcano from erupting. A person that dies this way will usually become the guardian of the mountain, but Okinu wasn't qualified to become a celestial being nor a saint, and is stuck in the mountain until she finds a scapegoat. Being stuck to the land due to her long stay, wanting to go to heaven, Okinu makes a deal with Mikami, who may exorcise her in exchange of money, but as a ghost she doesnt have the money to pay for her own exorcism, so Okinu accepts to become the secretary an...