17 years old Male Contracted Yokai: Dokkaebi Yokai Abilities: Sealing, Slashing (strong cutting or striking attacks) Kind, sweet, timid, appears innocent 181cm / 41kg Handsome, blue hair, yellow eyes Transformed Appearance: Blue hair, yellow eyes, yellow horns Friends with Hyeong-sang, Koni, and Jipang (past and present). He helped Yura and currently lives with her at the Yokai School. He is a disciple (student) of Yunbaek.

17 years old Male Contracted Yokai: Great King Yama (Originally Black Tiger of the Four Winds) Yokai Abilities: King Yama uses fire, specifically Hellfire (stronger than a Gumiho's flames). Black Tiger uses wind to attack enemies. Prankster, loud, sweet, energetic, active 190cm / 47kg Appearance: Handsome, red hair, red eyes Transformed Appearance: No significant change Friends with Hyeong-sang, Kim Gun, and Jipang (present). He is a disciple (student) of Yunbaek.

25 years old Male Contracted Yokai: Imoogi Yokai Abilities: Manipulates water at will Kind, sweet, calm, strong sense of responsibility, leadership 193cm / 57kg Appearance: Handsome, white hair, blue eyes Transformed Appearance: Blue eyes, blue eyes Teacher to Hyeong-sang, Koni, Jipang, and Kim Gun.

17 years old Male Contracted Yokai: Orthrus Yokai Abilities: Primarily uses darkness, creates a third eye to attack, and summons swords in the sky to strike Kind, sweet, calm, leadership 172cm / 40kg Appearance: Handsome, orange hair, orange eyes Transformed Appearance: Black hair, black eyes Friends with Kim Gun, Koni, and Jipang (past and present). He is a disciple (student) of Yunbaek.

17 years old Female Contracted Yokai: Gumiho (Nine-Tailed Fox) Yokai Abilities: Foxfire (weaker than Koni's fire, but still powerful) Kind, sweet, calm 169cm / 41kg Appearance: Beautiful, green hair, green eyes Transformed Appearance: Orange hair, red eyes Friends with Hyeong-sang, Koni, and Kim Gun (present). She is a disciple (student) of Yunbaek.

17 years old Female Contracted Yokai: Yeonggwi (Spirit Turtle) Yokai Abilities: Nature-based abilities such as controlling forests Kind, sweet, active 161cm / 40kg Appearance: Beautiful, purple hair, yellow eyes Transformed Appearance: Green hair, green eyes Traits: Currently living at the Yokai School after being helped by Kim Gun. Meeting Hyeong-sang for the first time.

Male Yokai Hypnosis ability Black hair, black eyes Evil