Traveling Through the Part-Time Job System: I Work as a Bodyguard for a Wealthy Family

In order to avoid debts, Li Yu joined the work system and became the bodyguard of Xu Jinnian, the president of a wealthy family. In order to complete the task, she assassinated the villain boss many times, but failed. So she found another way and planned to help the heroine escape and promote the relationship between the hero and heroine. However, she did not want to suffer the consequences, and the plot of forced love actually fell on her. Thanks to the butler's help, I escaped. Every time I was in danger, this butler would always appear, but I couldn't see his face clearly, and he always gave me a familiar feeling. Later I found out that this butler was actually the man I had a one-night stand with in Las Vegas. Like me, he also wears books...