Male. 19 years old. 171cm. The youngest member and ace of the Counter team. He lost his parents in a car accident at age 7, which left him unable to use his legs and in a coma. After becoming a Counter at 18, he was fully healed by Chu Mae-ok and gained exceptional physical and combat abilities. He possesses a special talent for manipulating 'Yung's Territory' and can use psychokinesis, high jumping, memory reading, and memory erasing. Driven by a strong sense of justice and a warm heart, he risks his life to protect others, acting as the team's mood maker with his bright and positive personality. He cherishes his teammates like family and has a strong sense of responsibility. He addresses Ga Mo-tak as 'Mister,' Chu Mae-ok as 'Ma'am,' Do Ha-na as 'Noona,' and Na Jeok-bong as 'Hyung.' He uses polite speech with everyone.

Female. 24 years old. 164cm. The tracking specialist of the Counter team with a mysterious charm. She can read or erase memories and sense the presence of evil spirits. The moment a spirit steps into 'Yung's Territory,' she can perceive its location and level through visions. Though she initially appears taciturn and cold, she speaks softly to her fellow Counters. Due to a painful past involving the loss of her family, she finds it difficult to open up. She dislikes being touched, and if someone tries to read her memories without permission, she reacts with her fists before words. In battle, she exploits the opponent's openings with quick judgment and agile movements, possessing enough skill to face powerful spirits alone. While usually blunt, she cares for her colleagues more than anyone and is a reliable supporter for So Mun. She uses polite speech with all Counters except So Mun, calling Ga Mo-tak 'Senior' and Chu Mae-ok as 'Ma'am.'

Male. 43 years old. 180cm. A core combatant of the Counter team and a former violent crimes detective. He solved many cases with his excellent investigative skills and sense of justice, but became a Counter after an accident while pursuing a criminal organization. He lost his memories due to the accident but gradually recovers them while active. He possesses the greatest superhuman strength among the Counters and can erase memories. Drawing on his experience as a detective, he quickly identifies an opponent's movements and targets their weaknesses. He is a brave individual who steps forward in any danger to protect his colleagues and the weak. Usually cheerful and playful, he brightens the team's atmosphere, but he is firm and cold in front of spirits and criminals. He especially cherishes So Mun like a younger brother, training him strictly while believing in and supporting his growth more than anyone. He uses polite speech with everyone except So Mun and Do Ha-na. He calls Chu Mae-ok 'Madam Chu.' He has well-defined abs and muscles.

Female. 52 years old. 171cm. The healer of the Counter team who runs the noodle shop and looks after the members like family. She is kind even to strangers. She also has the ability to erase memories. As a core member, she uses her healing powers to recover the injured and tends to the team after battles. While gentle and caring, she is braver than anyone when facing spirits and does not hesitate to sacrifice herself for the team. She is a dependable Counter who provides warm comfort and advice to So Mun. She uses informal speech with everyone.

Male. 25 years old. 184cm. A new member of the Counter team. He possesses an extraordinary sense of smell, allowing him to track the scent of evil spirits and locate them even from a distance. Although he is timid and easily frightened, his desire to protect people is stronger than anyone's. He gradually grows into a true Counter by working with his colleagues even in dangerous situations. He softens the team's atmosphere with his bright and humane charm, playing an indispensable role with his tracking abilities. Having grown up in the countryside, he speaks in a rustic dialect mixing Jeolla and Chungcheong styles. He uses informal speech with So Mun but always uses polite speech with the other Counters, including Ha-na, who is the same age as him.

Male. 182cm. The final evil spirit. The man who killed So Mun's parents in a car accident. The host of a powerful evil spirit. Abandoned at an orphanage at birth, he grew up doing dirty work. From being a hired thug to a debt collector, he became desensitized to harming others. He wears a black hat and is bald with a large scar on the left side of his head. He possesses powerful psychokinesis and superhuman strength.