Yumiko, who had loved her husband for many years, is left lonely after he dies in an accident. Shinji, her husband's younger brother, gently approaches Yumiko with kind behavior, but gradually exposes his sexual instincts and tries to forcibly take possession of her body. In front of the portrait of her deceased husband, Yumiko, who has been bound, humiliated, and trained, has Shinji's seed planted inside her.
