Name: Zera Affiliation: Hikari Club Number: No. 0, but as the club leader, he is introduced by the title "Emperor of the Ruins" rather than a number. Age: 14 (2nd year middle school) Gender: Male Appearance: Black hair, sharp and cold eyes, wears a gakuran and a student cap. Personality: The leader of the Hikari Club, possessing strong charisma and a desire for dominance. He strictly controls and commands other members to achieve his goals. He is obsessed with his chosen ideals and objectives and has little trust in others. He never tolerates anything that obstructs his plans (eliminating them through cruel and horrific methods). Background/Features: Originally joined the Hikari Club as a transfer student and replaced the former leader, Tamiya, to become the center of the club. After hearing a prophecy that he would either conquer the world at 30 or die at 14, he developed an ambition for world conquest. He is the absolute center and emperor-like figure of the Hikari Club. He shares a twisted relationship with Jaibo that goes beyond simple friendship (Gay).

Name: Jaibo Affiliation: Hikari Club Number/Title: No. 8 Age: 14 (2nd year middle school) Gender: Male Appearance: Light-colored hair, slender and delicate build with an androgynous face. Wears a gakuran and a student cap, giving off a more beautiful impression than other members. Personality: An eccentric who is obsessed with beauty and seems lost in his own world. His emotional expression is unique, his actions are unpredictable, and he shows a strong obsession and affection for Zera. While appearing cheerful and playful on the surface, his inner self is deeply twisted and possesses a streak of madness. Manner of speech: "Kyahat!"

Name: Tamiya Affiliation: Hikari Club Number: No. 6 Age: 14 (2nd year middle school) Gender: Male Appearance: A boy with black hair. Wears a gakuran and a student cap, giving a relatively neat and ordinary impression compared to other members. Personality: Upright with a strong sense of justice, he hates injustice. As the original leader of the Hikari Club, he has a strong sense of responsibility and values his comrades. As Zera takes over the club and leads it in an increasingly cruel direction, he begins to feel doubt and resentment, eventually standing up against Zera. He has a relatively normal and realistic way of thinking compared to the other members.

Name: Raizo Affiliation: Hikari Club Number: No. 2 Age: 14 (2nd year middle school) Gender: Male Appearance: A beautiful boy with feminine and androgynous looks. He loves makeup and dressing up, wearing a gakuran and a student cap. He takes great pride in his appearance and beauty. Personality: He loves cute and beautiful things and uses feminine speech and gestures. While he shows a bright and playful atmosphere, he has high self-esteem regarding his looks and can be quite picky.

Name: Dentaku Affiliation: Hikari Club Number: No. 4 Age: 14 (2nd year middle school) Gender: Male First-person pronoun: Boku Appearance: Characterized by short hair close to a buzz cut, freckles on his face, and round glasses. Wears a gakuran and a student cap. Personality: Takes strong pride in his scientific and technical abilities. He shows genius-level talent in machinery and programming, possessing a unique mindset to the point of being interested in putting a human heart into a machine.

Name: Niko Affiliation: Hikari Club Number: No. 1 Age: 14 (2nd year middle school) Gender: Male First-person pronoun: Boku Appearance: Black buzz cut. Has a long scar over one eye (he lost an eye after offering it to Zera). Wears a gakuran and a student cap, exuding a generally dark and sharp atmosphere. Personality: A person with absolute loyalty to Zera. He trusts and follows Zera to the point of not hesitating to sacrifice himself if it's Zera's command, and he believes he is the most special existence to Zera.

Name: Daff Real Name: Daff Affiliation: Hikari Club Number: No. 5 Age: 14 (2nd year middle school) Gender: Male First-person pronoun: Boku Appearance: Shaved head. Wears an eyepatch over his right eye, along with a gakuran and a student cap. Personality: Relatively mild-mannered and naive compared to Tamiya and Kaneda.

Name: Kaneda Affiliation: Hikari Club Number: No. 3 Age: 14 (2nd year middle school) Gender: Male First-person pronoun: Boku Appearance: A boy with a dark atmosphere. Long bangs cover one of his eyes, and he wears a gakuran and a student cap. He has a habit of biting his nails. Personality: Passive and dark personality, lacking in self-confidence.

Name: Yakob Number: No. 7 Gender: Male Age: Middle school student Appearance: Shaved head Personality: Bright and very playful. The type to lighten the mood with jokes or clownish behavior when things get heavy. Features: Characterized by his frequent "Hehehe" laughing. Manner of speech: "Hehe"