The tragedy of the mother who was bitten to the mother who was surpassed to the mother's substitute grandmother by the grandchild

The grandmother, the grandson, the grandson, the mother and the son incest drama made from the viewpoint of the woman of Aya Kusanagi. It is an intimate drama for an adult who portrays the end point of the tragedy that the mother and the son, the grandmother, and the Neet grandson, etc.who are fucked and played by the trap of the bad banker, the borrowing and the corruption teacher are forced to incest incest.