Yumiko and her son Masahiro were tied together with a tight bond, but they were so strong that their bond escalated in the wrong direction. I want to comfort my mother who is lonely because her husband and wife are stagnant. The son approached with all his heart, and the mother accepted that he wanted to respond to his kindness. However, Yumiko's body becomes captivated by her son with just one mistake. And my son was unequaled. It won't stop anymore. The two are in close contact with each other to the limit and drown in the forbidden world.
