The day before he begins attending high school, Ashiya Hanae becomes possessed by a strange fuzzy yokai. Being possessed causes him to fall ill, and while spending the start of his high school life repeatedly making trips to the nurse's office, he comes across the contact information of the Mononokean, which specializes in exorcising yokai, and decides to call them. When Ashiya finally visits the Mononokean, he meets the morose master Abeno Haruitsuki.
And, determined to never be alone again,
Und da er nie wieder allein sein wollte,
Con la intención
de no volver a quedarse solo,
Il t’a possédé pour être sûr
de ne plus être abandonné.
Determinado a nunca mais ficar sozinho,