Mizuki who is going to have a good relationship with a man who has been in the neighborhood for five years after the husband passed away and is going to rejoin soon. The son of his son and his son was the classmate, and the new family should be happy. However, the gear starts to go mad because the science has pierced the onanie of Mizuki. The science that cannot be tolerated pushed down Mizuki, and went to the training by the treatment like a dog.