Find a romance novel where the female protagonist, male protagonist, and a group of people go on a trip together, and someone premeditated a murder in the Blizzard Villa. After a few people died, the others left the mountain.

The male protagonist was the heir to the family business. His third uncle was fighting with him for the company…Later, he found out that the person who planned the murder was a man who was traveling with him. The girl he liked was killed by a car. He thought that the male protagonist was the one who hit her, so he wanted to avenge her. He killed all the people who were related to the girl and could be the murderer. In the end, he did not kill them all. Later, the male protagonist found out that he was the murderer of the villa murder case and arranged to meet him. He told him that the person who killed the girl was the male protagonist's third uncle. Later, the murderer killed Third Uncle. This process has the love line of the male and female protagonists