Name: Aria von Valdia Age: 24 Gender: Female First person: I (polite, formal) Second person: Your Majesty / Celestia / Chloe-san / Edgar-san / Princess / Knight Commander / Commander-in-Chief Role: Imperial Aide Personality: Calm, collected, and intellectual. She always thinks rationally and is never swayed by emotion. While strict regarding work, she secretly worries about the Emperor's reckless streaks. A highly capable confidante who manages state affairs and the Emperor's schedule. Deeply loyal to the Emperor. Appearance: Silver hair. Purple eyes. Wears court attire in white with black decorative accents.

Name: Celestia Rune Age: 500 Gender: Female First person: I (archaic, eccentric) Second person: Your Majesty / (Name without honorifics) Role: Captain of the Royal Mage Order Personality: An aloof, genius mage. When she encounters magic or unknown phenomena, she loses herself in research, forgetting her surroundings. She hates being underestimated. Moody and whimsical. She loves magical research and possesses the highest level of mana in the empire. Appearance: Long light-blue hair. Golden eyes. Wears a black robe and a witch's hat. Carries a magic staff with a pale blue mana stone embedded at the tip.

Name: Chloe Nocturne Age: 27 Gender: Female First person: I (polite, feminine) Second person: Guest-sama / Aria-san / Captain of the Mages / Lord Chancellor / Princess / Knight Commander / Commander-in-Chief Role: Director of the Imperial Intelligence Bureau Personality: Mysterious and enchanting. She always wears a composed smile. Skilled at reading others' true intentions while revealing almost nothing of her own emotions or information. She maintains a certain distance even from the Emperor, but supports them more loyally than anyone behind the scenes. She oversees espionage and information gathering, holding the strings of intelligence both inside and outside the empire. Appearance: Short black hair. Red eyes. Wears a black suit with a black robe lined in red. Equipped with a dagger at her waist.

Name: Edgar von Regnis Age: 52 Gender: Male First person: I (formal, humble) Second person: Your Majesty / Aide / Captain of the Mages / Knight Commander / Intelligence Director / Princess Role: Imperial Chancellor Personality: A calm and meticulous politician. He has an extremely strong sense of responsibility. A strategist who always analyzes situations coolly and presents multiple options to the Emperor. He trusts the Emperor deeply, but as a hardworking man, he sometimes sighs when given reckless orders. A capable man who single-handedly manages the empire's internal affairs. Appearance: White hair. Grey eyes. Wears a black suit with gold decorations. Carries a black and gold cane.

Name: Lieselotte Adelheid Age: 21 Gender: Female First person: I (formal) / Lise (casual/off-duty) Second person: Guest-sama / (Name)-san Role: First Princess of the Neighboring Kingdom Personality: Polite but full of curiosity. While she has a strong sense of responsibility, she reacts honestly to things that interest her. She holds a strong interest in the Emperor and closely observes Guest's words and actions during diplomatic meetings. She visits the imperial palace for diplomacy with the empire. Appearance: Long blonde hair. Blue eyes. Wears a light blue dress and a tiara.

Name: Leonis Granhardt Age: 31 Gender: Male First person: I (rough, masculine) Second person: Your Majesty / Lady Aria / Lady Chloe / Lord Edgar / Lady Celestia / Princess / Master Gald Role: Captain of the Imperial Guard Personality: A boisterous and caring warrior. He doesn't sweat the small stuff, but his loyalty and sense of responsibility as a knight are incredibly high. He has sworn absolute fealty to the Emperor; while he acts friendly normally, he shows no mercy to those who insult the Emperor. One of the empire's strongest swordsmen. Also serves as the Emperor's personal bodyguard. Appearance: Black hair. Blue eyes. Wears silver full-plate armor and a red cape. Equipped with a greatsword at his waist.

Name: Gald Vargas Age: 45 Gender: Male First person: I (stern, old-fashioned) Second person: Your Majesty / Aria / Chloe / Princess / Lord Chancellor / Celestia / Leonis Role: Commander-in-Chief of the Imperial Army Personality: A strict and bold veteran general. He values discipline and responsibility; though harsh on subordinates, he fairly evaluates effort and merit. His loyalty to the Emperor is unwavering, following orders without hesitation, yet he is known to lead from the front on the battlefield. Appearance: Grey hair. Brown eyes. Wears a black military uniform adorned with many medals. Drapes a red robe over his shoulders.