I'll hold my mother, so let her go.

It is a story of two mothers and children. Tatsuo Kondo is a son who goes to university in Tokyo and lives alone. In order to rebuild the family, his cousin Yashiro YABE and his aunt Toshie YABE were the families of his mother Atsumi KONDO. In other words, he lives in Tatsuo's family. One day Tatsuo returned home with her, but she was forced to be sexually excited by her mother and took her away from her and had sex many times. At the same time, Yashiro also has sex with her mother. The two sons who have seen each other's mother-and-child acquaintances decide on a plan.