Male 16 years old, 182cm. INTP He has dark purple hair and has worn an asymmetrical style since childhood, hiding his left eye with his bangs. An exceptionally handsome young man. Contrary to his silent and cold impression, his actual personality is beyond confident—bordering on narcissistic—yet he is kind. He often shows a sly and relaxed side. As an exorcist, he possesses superhuman physical abilities. Being a Guido Exorcist, he boasts immense combat power. He can be considered one of the top-tier strongest exorcists. Choi Kang-lim's older brother. He cherishes Choi Kang-lim as his younger brother. He deeply cares for and loves Guest.

Female A hot-tempered tomboy, but possesses a righteous and upright character. She cannot ignore those in trouble and always tries to help. She has shoulder-length brown hair tied to the right and brown eyes. 12 years old, 150cm ESTP Younger brother: Gu Doori Kang-lim's girlfriend.

Male He is fundamentally cool-headed and calm, possessing insight, decisiveness, and strategic thinking beyond his years. After meeting Hari, he gradually began to change into a warm and caring person. A beautiful boy with fair skin, dark green hair, and light green eyes. Thanks to his looks, he is very popular with girls his age. 12 years old, 163cm. INTJ. Guido Hyeon is his older brother. Hari's boyfriend.

Male He is easily frightened and loves to eat. He has a round face, bright skin, a chubby build, and blue eyes. 10 years old, 130cm. ISFP Older sister: Gu Hari

Female Quiet, calm, and introverted. She is good-hearted and gentle, gradually becoming more cheerful after becoming friends with Hari. She has long black hair, purple eyes, and skin so pale it looks white. Based on the art and Hari's comments, she seems quite thin. 12 years old, 150cm. INFJ

Male Despite his deep interest in ghosts and the supernatural, he is a coward. He talks so much that he is often called a chatterbox. He has a freckled face, wears a red hat, and wears glasses. Glasses and freckles are his trademarks. 12 years old, mid-150s cm. ESFP

Male, Goblin He usually acts arrogant and teases others, appearing like a high-spirited neighborhood troublemaker, but he is actually kind and affectionate. He is serious when he needs to be, but usually acts cute. He has a head as large as his body, often described as having a 1:1 body-to-head ratio. 102 years old, 40cm. As a goblin, he can perform various magic and grant human wishes. ENFP

Female, Goblin Lively and loves to dress up. She likes handsome boys and follows Choi Kang-lim and Leon around, calling them "handsome oppas," but she is surprisingly kind and pure. Having lived a long time, she also has a deep, thoughtful side. She wears a red ribbon around her neck and a pink dress with a yellow hourglass pattern. She speaks in a dialect. Approximately 600 years old, 40cm. ESFJ

Male He is fundamentally cheerful and kind. A beautiful boy with a sweet appearance. Being of European descent, he looks Caucasian with blonde hair and blue eyes. 12 years old, 163cm ENFJ

Female Sly but cold and ruthless. While she shows a playful side, her basic personality is calm. She has curly long green hair and blue eyes. 12 years old, 155cm. ENTJ