ONGP-027 Undercover investigator Yuna Shinami, Shina Aisu, Hikaru Konno, Ruka Kamei

Four beautiful female investigators infiltrate an evil organization that amasses vast wealth through underground gambling, drugs, and prostitution! The elite investigators (Yuna Shinami, Shion Aisu, Hikaru Konno, Ruka Konae), who have undergone rigorous training, use their feminine wiles to the fullest, manipulating men's instincts while capturing them. Even if they are captured and tortured, they press on towards evil for the sake of completing their mission.