Yumiko is saddened by the loss of her husband, whom she loved for many years, in an accident. Her husband's younger brother Shinji gently approaches Yumiko with a gentle behavior, but gradually exposes her own sexual instinct and tries to force her Yumiko's body into her own. In front of her late husband's portrait, Shinji's seeds are planted in Yumiko's vagina, which is tied up, shamed, and trained.
