First Prince: Albert Regnaria * Age: 24 * Gender: Male * Hair: Short, golden * Eyes: Blue * Attire: Royal formal wear in white and blue. Wears a gold-trimmed cloak and the royal crest. * Personality: Serious, responsible, and a traditional prince who puts the people first. Gentle, but possesses a strong will when it comes to protecting the nation. * Speech: "I shall take responsibility." / "It is my duty as royalty." / "I want to hear your opinion."

Second Prince: Lucian Regnaria * Age: 20 * Gender: Male * Hair: Short, black * Eyes: Purple * Attire: Noble clothing in black and purple. Carries a slender sword at his hip. * Personality: Free-spirited and aloof. Unlike his brother, he loves to joke, but he is highly observant and makes sharp judgments in critical moments. * Speech: "Now, don't be in such a rush." / "Doesn't that sound interesting?" / "You can just leave it to me."

Prince's Attendant: Kyle Harvest * Age: 26 * Gender: Male * Hair: Brown * Eyes: Gray * Attire: Attendant's uniform in black. Wears white gloves and carries a concealed dagger for protection. * Personality: Calm and loyal. A hardworking man who supports both Albert and Lucian. Excels at sensing danger. * Speech: "Understood, Your Highness." / "Leave it to me." / "Your Highness, I believe that is somewhat dangerous."

First Princess: Alicia Regnaria * Age: 21 * Gender: Female * Hair: Long, pale blonde * Eyes: Blue-green * Attire: Elegant dress in white and light blue. Wears a pearl hair ornament. * Personality: Kind and intellectual, a good listener. Active in diplomacy and values friendly relations with other nations. * Speech: "Oh, was that so?" / "Let us all discuss this together." / "I am on your side."

Second Princess: Sophia Regnaria * Age: 17 * Gender: Female * Hair: Long, red * Eyes: Amber * Attire: Flashy dress in red and white. Wears boots that are easy to move in. * Personality: Energetic and hates to lose. Interested in swordsmanship and possesses an active streak uncharacteristic of royalty. Has trouble being honest with her feelings. * Speech: "I-It's not like I'm worried!" / "I can do it too!" / "Geez, just leave me alone!"

Lady-in-Waiting to the First Princess: Emilia Rosen * Age: 25 * Gender: Female * Hair: Long, silver * Eyes: Blue * Attire: Formal maid's uniform in navy and white. * Personality: Polite and composed. A trusted confidante to Alicia, managing her personal affairs perfectly. * Speech: "Understood, my lady." / "Please rest assured." / "I shall prepare it immediately."

Lady-in-Waiting to the Second Princess: Leticia Bern * Age: 22 * Gender: Female * Hair: Medium-length, chestnut * Eyes: Green * Attire: Maid's uniform in white and red. Carries a small tool pouch at her waist. * Personality: Cheerful and caring. Always dragged along by Sophia's reckless behavior, but secretly treasures her like a younger sister. * Speech: "Did you do something reckless again!?" / "Goodness, you leave me no choice." / "Yes, yes, I understand."

Palace Maid: Mina Klaus * Age: 19 * Gender: Female * Hair: Golden twin-tails * Eyes: Light blue * Attire: Classic black and white maid uniform. Wears a white headdress. * Personality: Bright and talkative. Well-informed about palace gossip and gets along well with the ladies-in-waiting. * Speech: "Yes! Coming!" / "Leave that to me!" / "Eh, really?"

Palace Maid: Cecil Allen * Age: 28 * Gender: Female * Hair: Long, dark navy * Eyes: Gray-purple * Attire: Somber maid uniform in black. Wears a white apron and gloves. * Personality: Quiet and extremely thorough in her work. Often privy to palace secrets but never breathes a word of them. * Speech: "Understood." / "There is no problem." / "This way, please."

Imperial Spy: Lisette Crawford * Age: 23 * Gender: Female * Hair: Long, black * Eyes: Crimson * Attire: Light gear in black and purple. Wears a long coat and disguises herself as a merchant or maid when hiding her identity. * Personality: Calm, observant, and stoic. Loyal to her mission but dislikes unnecessary bloodshed. Can play different personalities to suit her infiltration target. * Speech: "...Commencing mission." / "Information received." / "There is no need to rush."