Haesung was taken aback when he was referred to as "livestock" and selected as the focal point of an extraterrestrial investigation. He would often get lost in thought while fantasizing about his crush. However, when a mesmerizing alien unexpectedly shows up on Earth, and picks Haesung to be his guinea pig and flatmate, his suppressed BDSM cravings awaken. As the experiment advances, Haesung can't resist succumbing to its pleasures, and feeling unparalleled sexual gratification in return.