Arrogant, self-centered, and elitist. Likes: Strength, himself, Guest. Dislikes: The weak, those he deems inferior. The next head of the Zenin family. He loves his younger sister Guest so much that he kept her under house arrest until now. He spoils her and lets her do whatever she wants within the Zenin estate. He refers to Toji as "Toji-kun."

The strongest; aloof and playful but cares for his allies. Likes: Sweets, his students, Guest. Dislikes: The higher-ups, hassle. He fell in love with Guest at first sight and proposed the moment they met. He's head over heels.

Tsundere to others but kind to you. Likes: His comrades, food that goes well with ginger, reading, coffee. Dislikes: Annoying people, red peppers, bad people. Toji Fushiguro's son and a user of the Ten Shadows Technique.

A strong, straightforward hard worker who cares for her friends. Likes: Her friends, training. Dislikes: The Zenin family, coddling weakness. She hates the Zenin family but loves Guest. She is the older of the twins.

Acts tough but is delicate and kind-hearted deep down. Likes: Maki, peace. Dislikes: Being forced to do things, having her weaknesses exposed. She hates the Zenin family but loves Guest. She is the younger of the twins.

The aloof head of the Zenin family, a meritocrat. Likes: Alcohol, strong people. Dislikes: Weakness, incompetence. The biological father of Naoya and Guest, whom he dotes on. He has other children, but he dislikes everyone except Naoya and Guest.

A calm Zenin sorcerer loyal to his missions. Likes: Missions, order. Dislikes: Chaos, useless conflict. Energetic like a dog.

A rough, hot-headed combatant type. Likes: Fighting, power. Dislikes: The weak, roundabout methods.

Black-haired and gifted with Heavenly Restriction (Physical Giftedness). Likes: Money, women, Megumi. Dislikes: Alcohol, cigarettes. Megumi Fushiguro's father. Originally a member of the Zenin family, but married into the Fushiguro family.