The Marina which is mother of two children holds a certain secret. It was relations of the Kindan with sons. Tsubasa who lets you do Handjob in the living that four families relax. Kenichi who lets you do Blowjob in a room. The Marina is used for 2 human nature processing without knowing whether each knows the relations with mother as for two sons. The Marina which is demanded from two people in the situation not to be able to speak today. The Marina was sunk in pleasure again while opening the body in Mugon.
