This time, the infamous "Chloro Sister" project returns, featuring a crazy older sister preying on her younger sister. Dive into a thrilling tale of sisterly jealousy and madness with chloroform-fueled drama. [Episode 1] Saki, a female college student majoring in science, successfully develops a mysterious substance at home that causes unconsciousness. She immediately tests it on her younger sister, Aine. Aine inhales the substance, rolls her eyes back, and loses consciousness. With her sister unconscious, Saki conducts a detailed examination of her body, studying sexual responses and the effects of the substance. What fate awaits the younger sister as prey to her deranged sister? [Episode 2] Risa, a NEET older sister, depends entirely on her hardworking younger sister, Himari. Despite being a failure herself, Risa devises a plan to make quick cash by rendering her sister unconscious, dressing her in cosplay, sexually harassing her, and selling photos. Even unconscious, Himari's body betrays her with arousal—a tragic glimpse into female sexuality. What kind of dreams does an unconscious girl have? The answer lies here.