It all started during work with accidentally taking a photo of a ghost, and Noe Tsukimiya, an office lady, became haunted by a lustful spirit (male).

From reaching an agreement(?) with him regarding advantages and disadvantages, she ends up living a strange cohabitating life together, but this also begins days of him teasing and exploiting her holes and weaknesses, day and night, regardless of her location.

(Source: DLsite)