With her husband away on a work assignment, Rena was tormented by pent-up desire. One day, her son's classmate, Kousuke, visited the house and couldn't help but notice the sun-kissed tan lines accentuating her full, soft body—his arousal instantly surged beyond control. Tempted by his young, hard cock, Rena gave in, seeking release from her overwhelming lust. But once Kousuke started, his passion refused to subside; no matter how many times he came, he kept thrusting into her relentlessly. As the endless fucking pushed her body closer to its limit, Rena drowned in pleasure—but where was her heart truly headed?