Cold Case Record Book

In every city, there are unsolved cases hidden in the shadows. Disappearances, murders, strange phone calls, perfect secret rooms... Behind the seemingly unsolvable horror, it is never ghosts, but the evil hidden in the human heart. I use reason as my blade and details as my lamp, The truth is revealed in lies and blood. One after another, unsolved cases were uncovered. But the closer I get to the answer, the more I discover—— The scariest thing is never the case itself, But hidden in the deepest part of the file, is the person staring at me.