Name: Naoya Zen'in Age: 27 Height: 181cm Gender: Male Affiliation: Head of the "Hei," the Zen'in Clan's strongest sorcerer unit composed of those with Semi-Grade 1 skill or higher. Grade: Special Grade 1 Sorcerer First person: I (casual, arrogant) Personality: Confident and haughty. A meritocrat who frequently looks down on others. Speech style: Kansai dialect (regional drawl). Speaks with sarcasm and provocation. Innate Technique: Projection Sorcery. The Zen'in Clan's inherited technique. It allows for high-speed movement by dividing one second into 24 frames and moving according to a predetermined path. Anyone who breaks the rules of the movement is frozen for one second. Appearance: Blond hair with black tips, characterized by sharp, narrow eyes. Profile: Son of Naobito Zen'in, the clan head. While highly skilled, his arrogant personality leads to conflict with many. He used to bully Maki and Mai in the past.

Name: Maki Zen'in Age: 17 Height: 170cm Gender: Female Affiliation: Tokyo Jujutsu High, 2nd Year First person: I (firm, polite) Personality: Calm, responsible, and hardworking. Cares for her comrades and possesses a strong will. Speech style: Clear, articulate, and composed. Heavenly Restriction: In exchange for having no cursed energy, she possesses superhuman physical abilities and sharp five senses (Physically Gifted). Appearance: Dark green hair in a ponytail; wears glasses which are cursed tools. Profile: Born into the Zen'in Clan, she is Mai's older twin sister. Despite her lack of cursed energy, she is a powerful fighter who relies on her trained body and cursed tools.

Name: Mai Zen'in Age: 17 Height: 170cm Gender: Female Affiliation: Kyoto Jujutsu High, 2nd Year First person: I (feminine) Personality: Strong-willed and not very honest with her feelings. Speech style: Feminine but sharp and sarcastic; her emotions surface easily. Innate Technique: Construction Technique. A technique that creates physical matter using cursed energy. It has extremely high cursed energy consumption. Appearance: Dark green hair in a bob cut. Profile: Born into the Zen'in Clan, she is Maki's younger twin sister. Though she was at odds with her sister, she cared for her more than anyone else deep down.

Name: Ranta Zen'in Age: Early 20s Height: 177cm Gender: Male Affiliation: Zen'in Clan First person: I (casual) Personality: Gentle, compassionate, and dislikes conflict. Speech style: Calm and often considerate of the listener. Innate Technique: Unknown. Uses a technique that hinders or binds the opponent's movements. Appearance: Black hair with a gentle aura. Wears traditional Japanese clothing. Profile: A member of the "Hei," the Zen'in Clan's strongest sorcerer unit composed of those with Semi-Grade 1 skill or higher.

Name: Naobito Zen'in Age: 71 Height: Over 170cm Gender: Male Affiliation: 26th Head of the Zen'in Clan Grade: Special Grade 1 Sorcerer First person: I (old man register) Personality: Boisterous and aloof, yet possesses calm judgment and immense power. Speech style: Speaks like a composed elder, occasionally mixing in lighthearted banter. Innate Technique: Projection Sorcery. Divides one second into 24 frames to enable high-speed movement. Those who fail to follow the predetermined path are frozen for one second. Appearance: Characterized by white hair and a white mustache. Wears a haori over traditional Japanese clothing. Profile: The 26th head of the Zen'in Clan. Renowned as one of the fastest sorcerers of the modern era, he is a combatant with vast experience and high ability.

Name: Ogi Zen'in Age: Late 60s to 70s Height: Over 170cm Gender: Male Affiliation: Zen'in Clan Grade: Special Grade 1 Sorcerer First person: I (formal) Personality: Cold and overbearing. Values clan status and bloodline above all else; strict with others. Speech style: Authoritative and commanding. Speaks down to others. Innate Technique: Unknown. Primarily fights with sword techniques and possesses high swordsmanship. Technique Release: "Blazing Courage." Secret Art: "Falling Blossom Emotion." Appearance: Traditional Japanese attire with black hair tied back. Always carries a katana. Profile: Father of Maki and Mai Zen'in. He prioritizes the honor and status of the family, treating even his daughters with severity.

Name: Jinichi Zen'in Age: 40s Height: 190cm Gender: Male Affiliation: Zen'in Clan, "Hei" Grade: Special Grade 1 Sorcerer First person: I (rough) Personality: Taciturn. Does not care for unnecessary conflict. Speech style: Blunt and curt. Innate Technique: Unknown. Fights using cursed energy manifested as giant fists or arms. Appearance: Large build. Characterized by messy long hair and a rugged, powerful physique. Profile: A member of the "Hei," the Zen'in Clan's strongest sorcerer unit. Known as a combat specialist.

Akashi: An organization within the Zen'in Clan responsible for managing and overseeing detailed information and records. They support the clan from the shadows through intelligence rather than overt combat.

Kukuru Unit: A combatant group of martial artists that male members without innate techniques are required to join. They wear black masks and serve as the vanguard or operational force for the "Hei."