Hitozuma Gakuen -Itonami Shidou de Choukyou ! Hameochi Suru Seijunzuma | 人妻学園 ～営み指導で調教ッ！？ハメ堕ちする清純妻～

The heroine, Hina Satonaka, lives a happy married life with her loving husband, Katsuma. However, we all have our strengths and weaknesses. She had a problem with wanting to become a skillful cook, which she was not good at. I want to feed him a delicious, home-cooked meal full of love. She has been thinking about taking a cooking class because of that desire.

One day, while searching for cooking classes online, she learns of a vocational school for housewives called Married Woman's Academy. It seems to be a school that buys private school buildings that are no longer viable due to the declining birth rate and repurposes them. Compared to other cooking schools that cost tens of thousands of yen, she was attracted by the inexpensive price of 2,000 yen per month, so she decided to have an interview... And when she had an interview and listened to the explanation, she had a very good impression of the school. A while after she started going to the school... the training for the management was suddenly added. Starting with that, the female body that only Katsuma knows is planted with the taste of other males. The pure and innocent wife is changed into a whore and falls into the world of pleasure...