Zetsubou Prison

A mysterious incident caused by a "Doppelganger" happens at a highschool. The main character and other members of the occult club are trying to solve the mystery of the incident. Can you win the psychological battle against the Doppelgangers? [Translated from [url=https://play.google.com/store/apps/details?id=com.wasabi.ds.ja]Google Play[/url]]