Why did Jin Shuji introduce the story like this?

"Why is Secretary Jin like that" is a TV series produced by Bon Factory, directed by Park Junhao, written by Zheng Qingyun and Zheng Enying, and starring Park Seo Jun and Park Zhao Minying. It was broadcast in Korea on June 6, 20 18. Adapted from Zheng Qingyun's comic book of the same name, the play tells the romantic love story of Jin Jiu, vice president and secretary of a large group with first-class conditions in all aspects.

After nine years as a secretary, Kim was always ready to do whatever she wanted, but she suddenly offered to resign, which caught her off guard. On the surface, he didn't ask questions, but secretly he was puzzled. Afterwards, he proposed a promotion and salary increase, and Jin Shuji was unmoved. Soon, Secretary Jin found a successor and was deliberately angry when handing over. In order to let her stay, he even said that he would marry her, which shocked Jin Shuji.

? Jin Shuji certainly didn't believe it, so he had to ask his friends for advice, but the result was not satisfactory. At this time, Li Yingjun's brother came back, and the relationship between them was very bad. But Jin misunderstood that his brother was kidnapped as a child, accompanied him, and had a good impression on his brother. Li Yingjun is far from suffering. Fortunately, through Li Yingjun's efforts, they finally made progress, but the shadow of childhood has been affecting him.

When they got better, Li Yingjun's parents made excessive demands, because his brother liked Jin Shuji, wanted Jin Shuji to be with him, and took out the past to kidnap Li Yingjun morally. Li Yingjun can't stand it any longer. Kim finally found out the truth and learned that it was his brother who accompanied him when he was a child. The relationship between them is getting better and better, and they have smoothed the previous shadows together. When they finally proposed, my brother sent his blessing and apologized to the handsome boy.