This drama is adapted from the novel of the same name. It tells the mystery of strange events that occur in various houses, such as suicide, ghost party, disappearance, garbage house, etc. The mystery of the house is cleverly solved by Inuto Kotaro (played by Takaya Kamikawa), who is smart, strong, and has unprecedented characteristics different from humans, and the good-natured Wakamiya Emiko (played by Rio Uchida).