井伏真澄是一名“教授”，他主要是教导男人们如何拥有情妇。前来听他上课的多半都是一些没有魅力却渴望拥有很多情妇的中年男人们。这其中有普通的白领，也有没有工作靠救济金度日的穷人们，有一些希望花天酒地纸醉金迷的富商们。真澄讲的内容，并不避讳自己是出轨的行为，反而沾沾自喜，认为出轨很多情妇是一件值得骄傲的事情。这些事情的交流多半都发生在一个麻将店里，不用说，老板也默默的听着这一切，但是他从来不会说一些别的什么。这是一部搞笑剧情的电视剧，在各种险象环生里也充满着笑料，让大家都能轻松一乐，各种各样的男人在这里齐聚一堂，只是为了满足他们想要找情妇的欲望。他们还指定了各种关于找情妇的规则，比如不能爱上情妇之类的话。

Ibushi MasumiYes A "Professor",heMainly Teach men how to have a mistress. Most of the people who come to listen to his class are those who don’t Middle-aged men who are attractive but yearn for many mistresses. Among them are ordinary white-collar workers, poor people who do not have a job and live on relief funds, and some wealthy businessmen who want to spend their days and wines. What Masumi said did not shy away from cheating, but was complacent, thinking that cheating on many mistresses is something to be proud of. Most of these exchanges happened in a mahjong shop. Needless to say, the boss also listened to all this silently, but he never said anything else. This is a TV series with a funny plot, full of jokes in all kinds of dangers, so that everyone can relax and have fun. All kinds of men gather here just to satisfy their desire to find a mistress . They also specified various rules about finding a mistress, like not being able to fall in love with a mistress or something like that.