Yumi is addicted to BBQ recently. - One day, when she behaves to her son's friend Kosuke who came to her play, he keeps an eye on Yumi's plump body. - Yumi who noticed it invites him with a mischievous heart. - However, Kosuke's unequaledness did not fit in with a one-time launch, and repeatedly ejaculated like a monkey, continuing to devour her ripe body. - After a while, Yumi's body begins to scream at her endless copulation with him who has her inexhaustible stamina.