Kanna cannot help lusting after the muscular Kosuke when her adult son brings his friend home. Starved for sex by her husband, she seduces him. She expects one round to satisfy them, only to discover that he can keep fucking without reaching his limit. Swept along by his repeated demands, Kanna gives him her body until too many orgasms leave her exhausted and aching. When Kosuke still refuses to stop pursuing her, she finally decides she must end their affair—but...