"Ugh... I came again... already." Unsatisfied by her brief encounters with her husband, Ayame spends her nights masturbating quietly, suppressing her moans. Her mundane married life leaves her increasingly frustrated. One day, catching a glimpse of her brother-in-law's lower body sends her imagination spiraling with fantasies of his huge cock. "Come to my room..." Drawn in by his subtle advances, Ayame plunges into forbidden creampie sex with him. As he pounds into her with relentless thrusts, her climax becomes the only answer to fulfill her deepest desires.