Reiko, a married woman whose husband is often away on business and who often spends her time alone, becomes addicted to adultery to fill the void of her loneliness... Reiko, who is Kokoro, takes advantage of the fact that no one is there in the private open-air bath to give him a passionate blowjob! When he starts a nighttime affair, she accepts his thick dick as if she's been waiting for it, and cums over and over again in the cowgirl position! A devoted married woman who accepts creampies herself!