Rina, a college student and childhood friend, is deeply anxious as she prepares for a race queen audition. Shota offers to help her by conducting a practice session. Kind and gentle by nature, Rina is used to following Shota's instructions without question. Various intimate evaluations take place, including judging her in a high-cut swimsuit, body checks in the bathroom, and outdoor posing lessons involving exposure. Along the way, a stalker begins to appear. The story explores Rina's hidden emotions, as well as her inner anxieties and conflicts, blurring the lines between friendship, love, and tension in everyday life.