In the quiet of night, within the privacy of a secluded home, women indulge in deviant masturbation captured in this shocking candid-style production. Stripped of their underwear, exposing their bare buttocks, the women experience intense pain as the demonic liquid "glycerin" is injected into their lewd orifices. Gradually, this agony transforms into pleasure, drawing them deeper into perverted self-pleasure, fully revealed under the camera's gaze. The mysterious power of glycerin creates a visceral sensation that shakes both body and mind. With its unique atmosphere and expressive intensity, this film captivates viewers in an unforgettable experience.