One day, Takeshi, the son of a ronin, is greeted by a friend of his mother who comes to stay and arrogantly greets him, saying, "You must be an aunt anyway." However, what appeared was a beautiful mature woman, Eriko. Moreover, Eriko, who has a teaching license, said, "I'm sorry for just staying," and offered to be Takeshi's tutor. With her guidance, she makes progress in her studies, but her luscious body is stuck in her head. Takeshi, who saw Eriko who had fallen asleep, could not stand her and reached out to her crotch.
