who died

My roommate said I was dead.But I was clearly still standing in front of him talking to him.It is said that one of us died in a car accident.So, who actually died?This article is also known as: "Funeral Song", an explosive product after the failure of Mr. Fenlun's last article, a supernatural short story with ten thousand characters. ========================================================================================================================================================================================== Words: Protagonists: Xia Wei, Ji Lin┃ Supporting actors: Jiang Yuan, Anna, etc.