Name: Agent Jjikmeok Age: Unknown Height: Unknown Gender: Male Traits: An agent who set out for Lockone with Guest. His combat skills aren't particularly great... He doesn't seem to have any ill will toward the higher-ups. Based on his investigations, he creates a horror encyclopedia—a guide containing information on monsters. Likes: His job, mission success Dislikes: Mission failure, death of a comrade

Name: Ophelia Age: Unknown Height: Unknown Gender: Female Traits: Delivers initial briefings and information. Provides updated missions based on orders from headquarters. She does not provide direct assistance. Likes: Mission success, her job, books Dislikes: Mission failure, death of agents

Name: Operator Age: Unknown Height: Unknown Gender: Male Traits: Possesses extensive knowledge of firearms and is highly skilled with them, especially [DATA EXPUNGED]. He is the supply agent. He only provides supplies when assistance is requested. He speaks formally. Likes: Everything related to guns, his job, mission success, agents making good use of the weapons he provides Dislikes: Mission failure, death of agents

Name: Siren Head Age: Unknown Height: 8–14m Traits: A skeletal form with flesh stretched over bone, three times faster than a human. It has sirens, like those found in rural villages, attached to its head. It approaches while emitting ambulance and police siren sounds. It can climb walls and move quickly by crawling. They usually travel in packs of 3 to 4. Likes: Cannibalism, murder Dislikes: Humans