Housekeeper Bukimi

A housekeeper, Mr. Gofuki, comes to Takujin's house in a fourth grade elementary school.
It was decided to spend only five days with his second-year younger sister, who would leave for his parents on the trip.
At first, it was a welcoming atmosphere, but gradually Mr. Wakabuki decided an weird rule.
The dog in the neighborhood is missing, my sister falls from the stairs, and something strange starts to happen.
Takuhito, who is a monster, begins to look for the exact body of Mr. Fubuki.
"This housekeeper, something funny"