Rena, whose husband was away on a solo business trip and whose sexual frustration had reached its peak, was visited by her son's classmate, Komake. Excited by the sun-kissed marks on her ample body, Komake couldn't help but become erect. Eager to release her pent-up sexual desire with Komake's young cock, Rena relentlessly fucks him. However, Komake possesses an incredible stamina, never tiring despite repeated ejaculations. Driven to the brink, Rena's body eventually cries out in agony.