In the Ghost Story, She Pulled Out the Knife

My name is Gu Qingwen, an emergency room nurse. I was dragged into the other world to participate in a werewolf killing with my life as a bet. I hit the organizer hard with my bone blade and killed the werewolf with a boning knife in my hand. They say this is the other world. The higher you climb, the closer you get to the real world. Rules are written for living people, dead people don't have to follow the rules In this world, there is no difference between the living and the dead I want to find my sister and take her home