Digimon Ghost Game: Ruli Tsukiyono (Episodes 14 and 15)

These two episodes are where Koemon and Phelesmon show up as Digimon-of-the-week. Episode 14 is where the main trio (her, Hiro and Kiyoshiro) went to investigate Koemon for haunting on people at an inn and Episode 15 is where Ruli and her friends learn about the petrified humans made by Phelesmon within a fortune telling tent for his collection on feared victims.