That JAV

Nami's husband is working alone, and she uses exercise to release the frustration she has on a daily basis. One day, while training with her son's friend Kosuke, who loves to exercise... He sees Nami's unprotected body and his crotch swells, and in a mischievous act of pursuit, he seduces her. It was supposed to be a light-hearted nibble, but Kosuke, an immortal man who never wanes no matter how many times he ejaculates, keeps making her cum more times than she can count. And her body screams as she climaxes to the point of insanity...