i'm my son, machimura koyako.

His husband Ichiro was elected to the election, and Koyako became a clear wife of a member of Parliament and was at the peak of happiness. The only anxiety is the son-in-law of Nate. One day, when Yoshio returned home, he witnessed an act of jealousy between his mother and a stranger. From this day on, the skewed desire of a prostitute became Koyako, his real mother. A weak man began to train his real mother as a nephew of his sexual processing. how is the fate of a sinful mother and child?