This article was written by a Japanese writer I like very much. I overestimated my ability and translated him into Chinese. The full text was divided into 46 chapters. The following chapter title was made by me myself. The original work did not have the general meaning of the original work. It was written by an old man who was nearly sixty years old and had put all his efforts into the company, but was fired. He just met the boss's daughter, so he started a training scene in revenge...