The story focuses on , who is challenged to a series of knowledge games by a mysterious entity after visiting a shrine in Kyoto.
The entity is revealed to be Baalmon , a Digimon known as the "King of Knowledge" who holds a book containing all the world's information. DigimonGhostGame_Ep_53_SUB_ITA.mp4
Ruli and Hiro challenge Baalmon with trivia he cannot possibly know (such as personal social media facts or specific camping details) to win back Kiyoshiro's memories. The story focuses on , who is challenged