Hahaoya Saimin Nikki -Otto no Inai Aida ni- by Bitter half - Adult Sex Game

Father, mother, the Home of three people of the son which there is anywhere.
However, the Koto which a son continues having crooked greed towards for mother as for what is different. The hoop of the greed of the So deviates from the masturbation of mother finding the Koto that father went for a short-term business trip, the Koto which obtained a tool of the hypnotism in a net and a ripe body unmanageable by peep Tako. Change to the thing which the greed of the son is intense, and is violent first when mother begins to accept pleasure although it was an extremely secret act and noticed Tako.
And when father came back from a business trip; mother