Who Is The Killer (EXO Fanfic) COMING SOON!

Who is the Killer Lucy is a detective who solve many cases of murder. In the middle of winter, at the billionaires' mansion, the billionaire got killed. The camera catches a shadow which is suppose to be the killer. It is suppose to be a simple murder case, but the idol group, EXO, is include in the case. It is time to find the murder! One death causes many more! a series of homicide cases is now launch!