Chinatsu Oisaka is a 27-year-old lingerie model in her third year of marriage. She has a dazzlingly slender and healthy body. She's been able to maintain her body to this extent, and her husband has been able to neglect his good wife! After struggling between her chastity and lust, she finally makes her miraculous AV debut wearing her favorite high-end lingerie! And it's a treat that she keeps secret from her husband.