Mother's best friend, Mio, came from the countryside for sightseeing in Tokyo. Takeshi didn't expect her to be an old lady anyway, but she was astounded by Mio's beauty. Takeshi, who is completely overwhelmed, offers to guide him around the city, but in fact, he begins to have a sinister desire to spend the night together. Finally, he is not satisfied with just peeping into the bath, and even visits at night. Mio, who felt that he was messing with him...
