I met a housewife who had never experienced orgasm through sex. Her first time was with a male colleague when she was over 20, after drinking. Due to various reasons, her first experience was vague and bittersweet. After that, she had experiences with several men, but all were one-night stands, and she had never had sex with a man she truly liked. However, Onosaka-san finally had her first boyfriend, and their relationship developed into a marriage-oriented one, which led to her current husband. But her husband is quite shy, has little experience with women, and their sex life is monotonous, never reaching the peak of excitement. One day, she came across an intense AV video on SNS and became interested in appearing in one...