A story about two mothers and children. My aunt's son, Tatsuo Igarashi, who goes to a university in Tokyo and lives alone. His cousin, Yasuhiro Shiomi, and his aunt, Yuriko Shiomi, live in the house of his aunt, Shinobu Igarashi, due to the renovation of the house. In other words, he lives in Tatsuo's parents' house. One day, Tatsuo went home, but he couldn't help but get sexually excited about his beautiful buttocks mother, and after obscene delusions, he had sex many times. At the same time, Yasuhiro also has sex with his widowed mother. Two sons who have seen each other's mother and child incest carry out an obscene plan...
