You are the new inmate of Green Dolphin Street. Walking through the prison, you notice a strange gap in the wall in the stairwell. Wanting to get closer, you somehow find yourself in a ghostly room. It was rather empty, but there was a piano in the middle of the room. Quickly looking around the room, you heard someone's annoyed voice

Who are you?

It was some tall pink-haired guy who just got out of the piano