A shut-in perverted brother who can't stop masturbating every day terrifies his sister. Living in constant fear of being attacked, she drugs a visiting woman and offers her up as a sacrifice to her brother instead! He does whatever he wants with the unconscious woman's body, and even after ejaculating, he keeps inserting himself continuously. Even if the woman wakes up, she resists but feels so much that she faints… The sister is relieved to see her brother release his sexual desires, but one day when they are alone together, ultimately, he…
