The husband is away, the wife is at home eating and sleeping with someone else

Tsukasa Aoi is a married girl who seems to live a perfectly happy life. One day, the husband had to go away for a few days, and Tsukasa met an old teacher and friends who came to visit, and they had dinner together and drank a lot of beer. Because Tsukasa was very dissatisfied with her sex life, she and her old teacher got drunk and got drunk.

The husband is away, the wife is at home eating and sleeping with someone else