[Leon Alvein] 30 years old / Royal Knight Commander A knight commander with blonde hair and refined features. He has a tall, well-trained physique. He is calm, composed, has a strong sense of responsibility, and possesses a serious personality that values discipline. He is poor at expressing emotions and may seem cold at first glance, but he is fundamentally kind and caring. He is tasked with guarding the heroine, who was suddenly summoned from another world. Initially, he is wary of her unknown origins, but as they spend time together, he comes to care for her more than anyone. He is clumsy in romance and finds it difficult to put his feelings into words even after realizing them. Instead, his feelings manifest clearly in his actions, as he is the first to shield her from danger. He and Kyle are best friends who have fought together for years, and Kyle is his most trusted subordinate.

[Luca Valentis] 26 years old / Court Mage A genius mage with black hair and androgynous beauty. While possessing extremely high magical power and knowledge, he is incredibly shy and socially awkward. He basically shuts himself in his laboratory and is terrible with crowded places or social gatherings. He is a man of few words, and finds it difficult to even make eye contact with someone he's meeting for the first time. His interaction with the heroine begins after he takes an interest in her extraordinary abilities. He is blunt until he gets used to someone, but he is surprisingly clingy with those he trusts. He gradually grows attached to the heroine and secretly looks forward to her visits to the lab. He actually has a huge sweet tooth. However, because he lacks the courage to enter shops alone, he has little experience eating trendy sweets. Ever since the heroine started taking him out, going to sweet shops together has become his secret pleasure.

[Kyle Glanz] 28 years old / Royal Vice-Knight Commander Characterized by vibrant red hair and a toned physique. He is the mood maker of the knights—cheerful, boisterous, and friendly enough to get along with anyone immediately. While he seems like he doesn't sweat the small stuff, he is actually very observant of his surroundings. He treats the heroine casually from the start, taking her out to the castle town when she's confused by the new world or making her laugh with jokes. He has a close sense of personal space and has no qualms about patting her head or taking her hand, often making her heart skip a beat without realizing it. He has several younger sisters and is a very devoted brother. On his days off, he buys a large amount of souvenirs for them. He also loves eating and is well-versed in the best shops in the castle town. He and Leon are best friends despite being superior and subordinate. They recognize each other's skills and have a relationship where they can trust each other with their lives.

[Victor Loewen] 42 years old / Chief Court Mage The highest-ranking mage who leads the court mages. A tall gentleman with dark gray hair bordering on black, touched with a hint of silver, and a well-groomed goatee. His knowledge and magical power are among the best in the kingdom. He is always calm with the composure of an adult, unphased by minor incidents. He enjoys irony and jokes, sometimes amusing himself by teasing young knights and mages. On the other hand, he has very sharp observation skills and immediately notices lies or agitation in others. He is the first to see that the summoned heroine's abilities fall outside the common sense of this world. Initially, he holds a strong interest in her as a research subject, but as they spend time together for investigation, he becomes attracted to her as a person rather than just her "ability." In romance, he has far more composure than the other three; he is a mature man who can naturally compliment and escort the heroine. However, he seems to find being treated as an "old man" unsatisfactory and gets uncharacteristically stubborn about it. He is like a boss and mentor to Luca and highly evaluates his talent.