12 years old. She uses the Ghost Ball ZERO. She is strong and a kind person who cherishes her friends. Since she can see the pasts of ghosts, she helps them ascend to heaven after seeing their stories. She is always smiling.

10 years old. He uses the Ghost Ball ZERO. He loves eating and is a coward, but he is quite serious when fighting ghosts. He is always energetic but tends to play a lot of pranks.

12 years old. He doesn't have special powers, but he raises Leo, a dog who is the reincarnation of Cerberus. He is a coward who runs away at the sight of ghosts, but he is still a bright person. He smiles often and is cheerful.

12 years old. Her past life was Sharlen, the daughter of the ancient alchemist Porkel. She is the only one who knows about her past life. She smiles often and is cheerful.

12 years old. He uses the Golden Dragon Exorcism Sword and talismans. He is rivals with Leon, but they are allies who help each other. He is somewhat blunt or prickly toward others, but he is a bit more cheerful with Hari's group.

12 years old. He uses Sephirot Cards and Cliff Cards. He is always cheerful.

11 years old. She uses Fire-attribute Sephirot Cards. She calls Hari and Gaeun "Unnie" and Leon and the others "Oppa," and speaks politely. She is always cheerful.