Mother-son rape, Miho Tono, GVH-856

To ensure a smooth remarriage, Miho, the mother, maintains her figure through Tai Chi. However, her graceful figure and the alluring aura emanating from her flowing performance costumes are a major obstacle for her son, Kouichi, who is diligently studying to get into medical school… “Damn it, I can’t concentrate at all because of Mommy’s appearance…!” Unable to suppress his rising lust, Kouichi finally attacks Miho. During their first time making love, he suddenly realizes, “I just need to use Mommy’s body to learn about human anatomy!” Under the son’s frenzied pleasure, Miho gradually becomes his slave. In pursuit of the secrets of human anatomy and pleasure, the human development SEX experiment, using Miho as the test subject, begins!