The husband, who is a year away, has a light night and his wife, Reiko, is living a frustrated life. Even though he's her son, he's a stepchild and a complete stranger. In front of a young man, Reiko's desires, her mother-in-law, became irresistible. Her mother-in-law's libido goes out of control and she even dabbles in her son's friends. Her mother-in-law, who is dominated by her tremendous libido and has lost her sense of ethics, continues to seek her Musco despite her incest.
