One day, when visiting his aunt Rie after a long time, young Fumio asks her to show off some pro wrestling moves. But instead, Rie suddenly traps him with a painful submission hold. Embarrassed and humiliated, Fumio swears revenge. Watching for his chance, he sneaks up behind her and locks her in a powerful hold from the back, immobilizing her. This time, it's his turn to dominate her mature, voluptuous body as he takes control with relentless wrestling techniques.