The plan was to capture a schoolgirl in her sailor uniform and lock her in a room. The next step was to make her change into her favorite high-cut competitive swimsuit. But after restraining her and stripping off her clothes, something shocking was revealed underneath—a rare, long-discontinued vintage high-cut swimsuit from SPEXDO. At first glance it looked like a standard swim team uniform, but the mystery deepened as to why she was wearing such a rare design, leading to an increasingly thrilling and intense situation.