The name of a novel, CEO Wen, modern

The name of the novel was President Wen. In modern times, the female protagonist's sister checked into a hotel with the female protagonist's boyfriend at the hotel where the female protagonist worked. The female protagonist's surname seemed to be Yan something, and the male protagonist returned from abroad, which happened to be the experience of the female protagonist's hotel.
The female protagonist's mother was sick in the hospital and needed money. The male protagonist promised to help the female protagonist pay but made some kind of agreement with the female protagonist. Before the female protagonist's mother died, she gave the female protagonist a necklace saying that it belonged to her biological parents. It was sold by the female protagonist's gambling brother and finally fell into the hands of the female protagonist's sister.
The love rival who had always harmed the female protagonist was his biological sister. He probably remembered this much.

Answer 1

My answer may not be accurate enough. CEO novels usually referred to a type of modern urban novels in which the protagonist was usually a rich, powerful, and powerful entrepreneur or business tycoon. He controlled the fate of the entire business empire in the business world. This kind of novel usually involved business, emotions, power and other topics with high plot twists and strong narrative tension.