Kirishima, leader of an adult college sex club, meets a porn director at a bar. He asks the director to film an upcoming hot-spring trip where three male club officers plan to have group sex with a new female member, and the director eagerly joins the trip while posing as part of the club. Their target is a fair-skinned adult college student with a sweet, innocent look. She is easily pressured and quick to climax, and the men force her into submission during their debauched getaway.