[GHLS-87] The enemy dragged out her Venus sister and threatened to kill her. The Mercury girl had to accept being raped to save her sister

A superheroine sex movie about Mio Ichijou, a female sailor who fights for justice. She rushes into the lair of the monsters to quickly save her Venus sister, but they show her the image of her sister being tortured, causing her to falter. If she resists, they will torture her more severely. She softens and is taken advantage of by them, raped and tied up, forcing her to pay the price for this mistake…