Sairyu Pink, while fighting against the monsters of the Death Geron Empire, used her wits and courage to defeat Wanage Mask and rescue her comrades who had been gangbanged. However, the great executive Yami Gumo, frustrated by her success, sends in a new monster, Mamagoto Mask. By forcibly making opponents who step onto a rug join in a play house game, her freedom is taken away, and Sairyu Pink is treated like a sandbag, a doll, or a baby. As Pink takes damage and loses her composure from the shame of sexual assault, Yami Gumo makes her perform fellatio, calling it "milk," and forces her to swallow his sperm. Furthermore, Pink is continuously sexually assaulted and forced to climax many times. Unable to stop her arousal, Pink ends up being raped by Yami Gumo... [HAPPY END]