Shimami, the demure married woman, experiences the shocking moment of her first anal orgasm. Under the skilled, delicate fingers of a professional esthetician, she is mentally and physically liberated, crossing forbidden boundaries. As her anus is stretched by fingers and a vibrator, a large cock thrusts deep inside—revealing the refined housewife's shameless, lewd expressions. The highlight is her uncontrollable, intense climax, lost completely in overwhelming pleasure.