The Passion Of Sister Christina -v1.00- By Paon ((free))

The metadata in the -v1.00- executable is a dead end. The developer handle "PAON" is French for "peacock," but no French identity has ever been linked. Some believe PAON is a collective of former Kōnan University psychology students, based on the game's accurate portrayal of religious trauma syndrome (RTS). Others argue it is the solo work of a now-deceased indie developer named M. Zaleski, citing a 2013 blog post that described a game where "the player should fall in love with a saint, then realize they have been loving a ghost."