Identity V STAGE Episode 4 [Phantom of the Monochrome]

A four-on-one game of tag, win it and I shall grant you any wish. No matter what that "wish" is... Amidst the inexplicable games played between Survivors and Hunters within the manor, "that person" who should not exist has appeared. The Phantom. Before long, both Survivors and Hunters began to call him by that name. In order to solve the mystery, the Survivor "Prisoner" and the Hunters Wu Chang each begin to make their move. In the process, they will find themselves confronting their own pasts. Just what, exactly, is the Phantom?