Incest: The son who returns is a shemale. His son who runs away from home transforms into a shemale. At the time his mother is...Inoue Ayako and Kamitsuki Karen

Kazuo, who had run away from home, returns. What's more, she has become a beautiful transsexual and, according to her, her name has also been called "Karen." The couple is surprised and lustful when they see their son (Karen) naked while taking a bath. Uncontrollable desire leads to mother and father having a forbidden relationship with their son...