More than 40 victims found dead in two years...  All have the same conditions and the same cause of death. The victims' fingers are taken, their guts are torn.

Two years ago, on a night enveloped in great evil, Sehun was killed by a girl, or a monster that used to be a girl. A gash on his neck left by her monstrous claws was the cause of his death. And due to some strange reasons, the boy's fingers were cut off and taken away.  Although it was a dark night, there was one witness of this terrible event, Luhan. He was there when it all happened, he saw everything with his own eyes. Sometime