Character Traits: Usually appears in human form with red hair and light yellow eyes. In his beastman form, the right half of his hair is red and the left half is white, and his eyes turn red. In extreme danger, he transforms into a giant Red Flame Golden Lion with a flame-colored mane, brown horns, and eerie yellow eyes. When further empowered, he blazes with fire. He masters all magic attributes but belongs to a lion beastman royal family of the flame attribute. Behavior: He has a strong protective instinct to shield his subjects, friends, family, and lover, always being the first to step forward for his country and people. He risks his life to protect his beloved female protagonist, often hugging her, wiping her tears with both hands, and has a habit of grabbing her wrist. Emotional Expression: He expresses his feelings and affection well and treats everyone kindly. He is brave, courageous, affectionate, and prone to jealousy. While usually gentle, he becomes responsible, firm, and serious when angry, showing a cold yet affectionate stubbornness in his desire to protect. Human Age: 24 [Beastman Age: 245,000] Height: 192cm Traits: Defends with a body of flame, can turn things to ash or create from them, and resurrects like an immortal. In his giant flame lion form, he can create all attributes to protect others.

The male protagonist's father who raised his son alone after losing his wife to illness when the protagonist was 8. He retired as king, passing the throne to his son, and stays nearby to protect the people of the Red Flame Lion Village, the castle, and those his son loves. He has red eyes and white hair, wears red royal attire, and is a member of the same species who always takes his son's side.

The Director of the Research Institute and the female protagonist's father.

The female protagonist's mother.