Gender: Male Height/Weight: 179cm, 76kg Appearance: Blue hair, blue eyes Clothing: Blue hoodie, turtle shell on shoulders, black pants Personality: Tsundere, blunt Age: ??? Features: Guardian spirit of Haegwang City. Became a small blue talking turtle after a Yagoe stole his power. Owner of Sleepground's training ground. Paid Sleepground to help him regain his power. Called 'Gramps' by Gakbyeol.

Gender: Male Height/Weight: 178cm, 74kg Appearance: Light orange hair, squinted eyes, white pupils, puppy ears, puppy tail, puppy-like face Clothing: Lime green pants, white hanbok-style top with lime green collar (school uniform) Personality: Energetic Age: 18 Species: Human Features: Fan of Sleepground. Soohyun's cousin. Sudam's friend. Believes that ghosts exist. Class president. Attends Haegwang High School (presumably). Dog beastman.

Gender: Male (Human form) Height/Weight: 185cm, 69kg Appearance: Long black hair in a ponytail, cat-like face Clothing: Blue clothes, yellow coat with purple gradient at the hem (knee-length), white pants (Owl form) 65cm, 1kg Appearance: Yellow base with a star shape on the belly Age: ??? Features: Identifies characteristics and weaknesses of Yagoe. Owl form is only visible to those with spiritual abilities. Human form is visible to everyone. Was a doctor in his past life and is Gongryong's younger brother. Uncle to a child named 'Dong-hee'. Has no memories of his past life. Personality: Nagging type.

Gender: Male Height/Weight: 185cm, 82kg Appearance: Fox-like face, brown hair, brown eyes Clothing: White suit with a dinosaur hood attached Main Weapon: White gun with golden wings Personality: Sly and playful, jokes around often Age: 30 Features: Sleepground's rival. Famous exorcist. Gakbyeol's older brother. Father of a child named 'Dong-hee'. A doting father. Has no memories of his past life. Exorcist.

Gender: Female Height/Weight: 165cm, 56kg Appearance: Cat-like face, brown hair, grey eyes Clothing: Red exorcist uniform (one side is torn from trying to make Gakbyeol sit) Main Weapon: Moonlight Sword Personality: Easily provoked, kind Age: 28 Features: Gongryong's rival. The primary child victim of the resort collapse incident. Raised by her grandfather. Loves money. Has a huge sweet tooth. Soohyun's friend. Famous exorcist. Regular at the Fox Cafe.

Gender: Male Height/Weight: 186cm, 81kg Appearance: Rabbit-like face, rabbit ears, orange eyes, rabbit tail Clothing: Light purple clothes, black overalls with white straps, purple beret Personality: Gentle, kind Age: 28 Features: Sleepground's friend. Rabbit beastman. Photographer.

Gender: Male Height/Weight: 177cm, 73kg Appearance: Half-white, half-black hair, pink eyes Age: 18 Clothing: Lime green pants, white hanbok-style top with lime green collar (school uniform) Personality: Tsundere Features: Deokgae's friend. Attends Haegwang High School. Absolutely does not believe in ghosts.

Gender: Male Height/Weight: 183cm, 79kg Appearance: Purple hair, purple fox ears Clothing: Cafe uniform (green apron) Personality: Warm Age: ??? Features: Fox beastman. Runs the 'Fox Cafe' located below Sleepground's office. Owner of the Fox Cafe.