WAAA-476 My brother-in-law’s irresistible manhood is exactly my type! An unguarded sister-in-law in a thong is shaken and trembling again and again by relentless thrusts from behind, leading to repeated spasms and an embarrassing accident NTR Ai Sayama

Yukio, the younger brother of her husband, comes to stay at Ai’s home for a while as part of his new job training. As their cohabitation begins, Yukio becomes increasingly attracted to his sister-in-law, who spends her days in a tank top and thong. One day, while Ai is napping carelessly, Yukio can no longer hold back and makes a move on her. Ai tries to resist, but overwhelmed by his relentless advances, she ends up reaching an intense climax.