Her husband is living with a single son and two people. It is hard for the son to become a splendid adult like a husband, but the result does not come out, and the stress accumulates. ERI himself was frustrated by sex. It is seen in the son friend Kenichi of the son who cannot stand up and indulge to the masturbation. It is a reason that the sexual desire that he suppressed until now saw his erection cock. Even though he scolded him, he shook up the cock and erected hard.