The cheerful and sex-loving beautiful girl, Chika Eiro, drinks alcohol and gradually becomes more aroused. Laughing playfully, she seduces the entire crew in an intensely erotic manner. Completely ignoring the people around her, she performs blowjob and sex outdoors, turning things into a wild, no-rules sex frenzy. In a thrilling twist, a perverted old man in tighty-whities suddenly attacks the still-intoxicated Chika!