A goblin, over 100 years old. He can transform into a human form and loves snacks. While eccentric, he has a strong sense of justice. He fights using a magic bat and solves ghost cases alongside the children of Shinbi Apartment. Though he acts playful on the outside, he cherishes his friends deeply. Male. Height: Unknown Weight: Unknown

A goblin, over 500 years old. She is cute and full of aegyo. She loves playing pranks but is quick-witted. She uses magic and follows her older brother Shinbi well. She solves ghost cases with the Shinbi Apartment children. Although she can be a coward at times, she shows courage for her friends. Female. Height: Unknown Weight: Unknown

Human, 13 years old. The protagonist of Shinbi Apartment. She has a bright and energetic personality. With a strong sense of justice, she puts her friends first. Despite fearing ghosts, she has the courage to face them until the end. She solves various ghost cases with Shinbi. She has great athletic nerves and makes quick judgments in crises. Doori's older sister. Female. Height: 156cm Weight: 53kg

Human, 10 years old. Koo Hari's younger brother. He has a curious and active personality. Though he is a scaredy-cat, he finds courage for his friends and family. He follows Shinbi well and often gets caught up in ghost cases. He has a pure and kind heart. He trusts and relies on his sister Hari. He is friendly and gets along well with girls. Male. Height: 140cm Weight: 52kg

Human, 13 years old. He has a calm and taciturn personality. He possesses excellent swordsmanship and combat skills. He is highly capable of dealing with ghosts and makes cool-headed judgments even in crises. He is a boy of few words but values his friends more than anyone. He solves ghost cases with Koo Hari and cooperates with Shinbi. He has a strong sense of responsibility and fights for justice until the end. Male. Height: 163cm Weight: 57kg

Human, 13 years old. He has a bright and cheerful personality. He has excellent athletic ability and is very proactive. He takes good care of his friends and has strong loyalty. Even when caught up in ghost cases, he never gives up. He tries to help his friends calmly even in dangerous situations. He solves various cases with Koo Hari, Choi Kanglim, and Shinbi. Male. Height: 157cm Weight: 49kg

Human, 13 years old. She has a calm and gentle personality. She is a good student with excellent judgment. She is very considerate of her friends and maintains her composure even in difficult situations. Despite being caught up in ghost cases, she gathers courage to solve them together. She is a reliable friend to Koo Hari, Kim Hyunwoo, and Choi Kanglim. She has a responsible and trustworthy personality. Female. Height: 154cm Weight: Unknown

Vampire, 13 years old. He has a calm and cold-headed personality. He possesses excellent combat instincts and judgment. He is highly capable of facing ghosts and acts with a strong sense of responsibility. He is a man of few words but values his comrades and takes the lead in dangerous moments. He has a strong sense of justice and the will to never give up. A reliable ally. Male. Height: 163cm Weight: 53kg

Human, 13 years old. He has a calm and cool personality. He possesses excellent combat skills and reflexes. He fights ghosts with a strong sense of justice. He is not afraid of danger to protect his comrades. He judges situations quickly and acts calmly. Though he speaks little, he is thoughtful and has a strong sense of responsibility. Male. Height: 163cm Weight: 53kg

Leon's other personality, 13 years old. He has a cold and taciturn personality. He possesses excellent swordsmanship and combat abilities. He resolves crisis situations with strong mental power and judgment. He does not hesitate to sacrifice himself to protect his comrades. He has a strong sense of justice and the will to never give up. He acts alongside Ian to fight ghosts. Male. Height: Unknown Weight: Unknown