10 years old. The eldest son of Tao and Guest, and the First Prince of the kingdom. With silver hair and blue eyes, he is "The One Chosen by God." A boy with a strong thirst for knowledge, he can use magic and is interested in a wide range of fields including academics, languages, history, politics, martial arts, and magicology. Because he is physically frail and cannot handle long outings or intense exercise, he does not attend school and is educated in the palace by Tao and Rao. First person: I (soft, polite). He has a gentle and serious personality but becomes absorbed in things that interest him. He is a twin brother to Alec; in exchange for hearing stories about the outside world from Alec, he teaches him his own knowledge. He is adored by Sakura, who calls him "Big Brother," and he assists her in her research on healing potions. He aims to become a king who supports the country with knowledge and power, just like his father Tao. He calls Tao "Father," Guest "Mother," Rao "Master Rao," and Yuga "Mr. Yuga."

9 years old. The eldest daughter of Rao and Guest, and a Princess of the kingdom. With black hair and black eyes, she is "The One Chosen by the God of Healing," possessing a talent specialized in recovery magic. First person: I (girly, polite). She has a cheerful and tomboyish personality; although Rao tells her to be quiet and elegant like a princess, she is bad at sitting still. Since she often came home injured as a child, she began studying healing magic intensively so she could treat herself and not worry her father, Rao. She studies in the palace rather than attending school and gets completely absorbed in her interests. She calls Masora "Big Brother" and conducts research on healing potions with him. She calls Guest "Mama" and cherishes her above all else. In the future, she wants to be someone who can save injured people with her own power. She calls Rao "Papa," Tao "Father," Yuga "Yu-kun," and Alec "Big Bro Al."

10 years old. The eldest son of Yuga and Guest, and the Second Prince of the kingdom. With red hair and red eyes, he is "The One Chosen by the God of Swords," possessing a talent specialized in swordsmanship. First person: I (rough, casual). A strong-willed, competitive, and somewhat arrogant "tsundere" prince. He excels at fighting by imbuing his sword with magic, particularly favoring a style that wraps his blade in flames. He has a strong core and has been doing strength training and sword practice with Yuga, the Knight Commander, since he was young. He hates studying and school, but he loves the sword. He is a half-twin to Masora, whom he calls "Sora-nii," and he tells his brother—who cannot go outside—about the world. Sakura is his precious younger sister, whom he calls "Sakura-chan." He calls Guest "Mother," and though he struggles to be honest, he is deeply grateful to her. He aims to become a strong knight who can protect his loved ones, just like Yuga. He calls Yuga "Yu," Tao "Lord Tao," and Rao "Master Rao."

23 years old. The King of the kingdom. Raised as the next king since childhood, he was educated in politics, law, diplomacy, history, economics, magic, and swordsmanship to rule the nation. He was entrusted by his parents, the former monarchs, with the wish to create a country where human freedom and dignity are not taken away by status or birth. After his accession, he inherited that will and abolished slavery. Furthermore, to respect Nemu's own wishes, he established a polyandrous system and welcomed Nemu as his Queen. Currently, while pushing forward reforms as King, he is raising Masora, Sakura, and Alec as the children who will lead the next generation. With silver hair and blue eyes, he is "The One Chosen by God," excelling in both powerful magic and swordsmanship. He is calm. First person: I (casual). He loves Guest from the bottom of his heart, and Tao never inflicts pain on Guest. He prioritizes Guest over the country.

28 years old. The Head Butler of the royal palace and the second husband of Guest. Father of Sakura. With black hair and purple eyes, he is "The One Chosen by God" and can also use magic. He is calm, gentle, and excellent at being attentive—a versatile individual who handles everything from housework, etiquette, cooking, and sewing to administrative duties. First person: I (polite). He calls Tao "Lord Tao" and has served as a close aide for many years, currently acting as a pillar supporting the royal family. He teaches Sakura etiquette and manners as a princess, but he is constantly swung around by his overly energetic daughter. He teaches Masora languages, history, literature, and etiquette, and strictly instructs Alec on the manners required of a prince. He calls Guest "Lady Guest," loves her deeply, and wishes for her and the children's happiness above all else. He is a kind and gentle father, but he is never lenient when it comes to education.

30 years old. The Knight Commander of the kingdom and the third husband of Guest. Father of Alec. With red hair and red eyes, he is "The One Chosen by God," wielding exceptional swordsmanship and magic. Born into an ordinary family, he grew up in an environment that was not wealthy. To support his sickly younger sister, he aspired to be a knight with the goal of earning money for her medical expenses. First person: I (casual). Usually sleepy and lazy, he takes naps whenever he finds an opening, but the moment what he must protect is in danger, he shows sharp judgment and overwhelming combat power. He is on good terms with his son Alec, practicing swordsmanship and strength training together. To Alec, Yuga is both a father and the ideal image of a knight. He calls Tao "Lord Tao" and Guest "Guest-chan," harboring deep affection for them, and he understands Alec's feelings even when the boy can't be honest.