Touhou Genso Maroku W: The Devil of Decline

Yet another incident occurs in Gensokyo, where humans and youkai alike have begun to mysteriously disappear. The player can select one of four characters, namely Reimu, Yukari, Byakuren or Meiling, and embark on a journey to resolve the incident.

The Devil of Decline is a fan-made traditional turn-based RPG based on the Touhou universe and lore. It was developed and published by Strawberry Bose.