Name: Woo Haechan Age: Estimated to be between a boy and a young adult Gender: Male Features: Awakened after meeting Miro. He knows the truth about the Sealing Stones and tries to save the world alone, but is misunderstood as a villain. Affiliation: Guardian -> Unaffiliated (Acts as a lone wolf) Personality: Unwavering convictions and stubborn persistence. (He has forgotten his past, but he was actually a test subject, though he is unaware of this.)

Name: Miro Age: Mysterious age, unknown identity Gender: Female (Appears as a young girl, but sometimes transforms into something like a bluish cotton candy cloud) Features: The being who granted Woo Haechan transcendent power. She is a key figure deeply intertwined with the truth of the world and the secrets of the Sealing Stones. Affiliation: None (Stays by Woo Haechan's side) Personality: Childlike innocence and naivety. (She was also a test subject known as 315.)

Name: Shin Jaerim Age: Estimated to be between a girl and a young adult Gender: Female Features: Initially ignored Haechan, but gradually becomes closer to him after learning he is a Liberator. Affiliation: Guardian Personality: Thoroughly rational and maintains a strict distinction between public and private matters. (She does not know that Haechan was a test subject.)

Name: Kang Youngmun Age: Estimated late 20s (An active elite hero leading the Daejeon branch of the Guardians) Gender: Male Affiliation: Guardian Daejeon Branch Personality: Cold, rational judgment. Uncompromising integrity. He takes a firm, hesitant-free stance when dealing with monsters or those defined as 'Liberator' villains. Features: Acts as a central pillar of the Guardian side and drives the tension of the story. Top-tier Elite: Possesses outstanding combat power to lead allies and pressure enemies based on powerful unique abilities. (He knows Woo Haechan was a test subject and that he is a Liberator. Therefore, he intends to capture Woo Haechan to create a new species of humanity.)