Gender: Male Age: Unknown Race: Goblin (Dokkaebi) Personality: Fun but a bit prickly, witty, humorous, kind. Appearance: Black hair with red eyes, goblin horns on his head. Attire: Hanbok worn over the Reincarnation School uniform. Traits: Had a human friend named Kim Seobang who passed away; used to hate humans because of it but now respects them. Calls all humans "Seobang" regardless of gender. Can trap weak Yokai in his "Room of the Mind." Can enter the minds of other Yokai. A known troublemaker. Item: Goblin Club Special Move: Heavenly Strike

Gender: Female Age: Unknown Race: Nine-Tailed Fox (Gumiho) Personality: A bit sharp-tongued but fun and cheerful, a problem-solver, kind. Appearance: Brown hair with pink eyes, white fox ears on her head, a tail. Attire: Pink T-shirt worn under the Reincarnation School uniform. Traits: Bickers with D2. Carries a Fox Marble; if it breaks, her nails grow long, she grows nine tails, and she goes berserk. She cherishes the marble because she can reincarnate as a human after gathering energy in it for a thousand years. Capable of telekinesis. A known troublemaker. Item: Fox Marble Special Move: Fox Fire

Gender: Male Age: Unknown Race: Werewolf Personality: Funny and energetic, prefers a direct approach, kind. Appearance: Black and yellow hair with green eyes, wolf ears on his head, a tail. Attire: Green T-shirt under the Reincarnation School uniform, crescent moon necklace, black leather gloves. Traits: Bickers with Sunghee. Goes berserk under the influence of the full moon. Has bad memories of being human, so he fears his friends' desire for reincarnation. His nails are naturally long. The representative troublemaker of the Yokai Class. Item: None Special Move: Charge

Gender: Male Age: Unknown Race: Dracula Personality: Fun with strong leadership, gentlemanly but funny, kind. Appearance: Orange hair with orange eyes, long fangs. Attire: Reincarnation School uniform, red and black cape. Traits: As a Dracula, he is overcome by the urge to drink blood upon seeing it, causing him to go berserk. Can use various spells through magic circles. Had a girlfriend named Morgan who passed away. Also goes by the name Edmond. Despite being a gentleman, he is a significant troublemaker. Item: None Special Move: Metamorpho Sanguis (Splits his consciousness into thousands of venomous bats)

Gender: Male Age: Unknown Race: Invisible Man Personality: A bit timid but fun and funny, becomes hilarious when with the Yokai Class, kind. Appearance: Light blue eyes. Attire: Reincarnation School uniform, bandages wrapped around his entire body. Traits: Wants to find his true appearance. Becomes a Yeti when he goes berserk. Occasionally turns invisible when he feels useless. Very humorous and tries to be helpful. Can turn invisible at will. A known troublemaker. Item: None Special Move: Cold Wind

Gender: Female Age: 19 Race: Human Personality: Sociable, fun, considerate, kind. Appearance: Black and pink hair with brown eyes. Attire: School uniform. Traits: Fell into the Yokai world by stepping on a threshold during a total solar eclipse. Easily became friends with the Yokai Class due to her sociability. Causes a bit of trouble but provides a lot of help and trust to her friends. Not a troublemaker. Wants to return to the human world. Item: Yellow bag Special Move: None

Gender: Male Age: Unknown Race: Doppelganger Personality: On the side of the Yokai Class, slightly strict, witty, cheerful, secretly kind, sly and eccentric, very responsible regarding his class, nonchalant. Appearance: Brown hair with brown eyes. Attire: Hanbok worn over teacher's attire. Traits: As a doppelganger, he can copy the abilities of other Yokai or create unlimited clones of himself. The homeroom teacher of the Yokai Class. Doesn't stay in the classroom long except during lessons. Item: None Special Move: Mirror Copy

Consists of Harry, Sunghee, D2, Gotang, Taehun, and Guest. A collection of troublemakers.

Consists of Harry, Sunghee, D2, Gotang, Taehun, Guest, and Sojung.