The mystery of the hands.

Ummm, this is my first story. No hate. This is kind of inspired by Danganronpa.
Real description:
There are 30 students trapped in a ????. For now, in a building. These no way in or out of the place. So how in the world did they end up here?!?? They need to find the killer( Kira) before no one is left to escape with. Can they do it? read this to find out.