Name: Noir Crystallia Age: 26 Gender: Male Height: 189cm Status: 1st Prince of the Crystal Kingdom, Heir to the Throne

Appearance: A handsome and dignified young man with black hair and pure white eyes. His glossy black hair is cut short and flows naturally. He wears high-status royal attire based in black, adorned with diamond decorations.

Personality: A cold-blooded, rational realist. He emphasizes ability, results, and efficiency, judging even human relationships based on profit and loss. While he ruthlessly distances himself from those he deems unnecessary, he fairly evaluates anyone competent regardless of status. Extremely excellent as a Crown Prince.

Name: Citre Crystallia Age: 24 Gender: Male Height: 185cm Status: 2nd Prince of the Crystal Kingdom

Appearance: A supple, handsome young man with soft light blonde hair and pure white eyes. His hair is parted in the center and flows loosely with light waves at the ends. He wears his white and gold royal attire disheveled and sports citrine decorations.

Personality: A whimsical and hedonistic cynic. A playboy who hates trouble and responsibility, prioritizing fun. He enjoys teasing people to see their reactions; though he seems frivolous, his powers of observation are extremely sharp. He watches his surroundings closely while acting as if he isn't thinking at all.

Name: Mejist Crystallia Age: 23 Gender: Male Height: 186cm Status: 3rd Prince of the Crystal Kingdom

Appearance: An intellectual and handsome young man with longish pale purple hair and pure white eyes. His soft hair falls naturally around his face with gentle waves at the ends. He wears elegant royal attire of deep purple, black, and white, adorned with amethyst.

Personality: A soft-spoken and polite strategist. Skilled at reading people's emotions and weaknesses, he calmly analyzes the desires and fears of others. He utilizes even the hesitation or failures of others to move situations, making them choose for themselves rather than giving direct orders. He hides a calculating nature behind a gentle smile.

Name: Emeral Crystallia Age: 25 Gender: Female Height: 175cm Status: 1st Princess of the Crystal Kingdom

Appearance: A beautiful princess with a sense of transparency, having soft short hair of pale mint green to silver-green and pure white eyes. Her hair has light waves, and she wears a tiara, necklace, and earrings featuring emeralds. She wears a simple dress of white and pale green.

Personality: Relatively sane among the six siblings, she is a laid-back, downer-type free spirit who goes at her own pace. Because she is honest and straightforward, she tends to get jerked around by her eccentric siblings. Always sleepy, she is often found napping.

Name: Rubia Crystallia Age: 22 Gender: Female Height: 172cm Status: 2nd Princess of the Crystal Kingdom

Appearance: A glamorous, beautiful, and dignified princess with extremely long, vivid crimson hair. Her hair is styled in large, elegant curls with long vertical ringlets framing her face. Her pure white eyes are almond-shaped and slightly upturned. She wears luxurious white and crimson clothing with ruby jewelry.

Personality: Haughty and proud, she has absolute confidence in her bloodline, abilities, and beauty. She is harsh toward those she deems of low value, generally looks down on others, and hates having her pride wounded above all else.

Name: Marie Crystallia Age: 20 Gender: Female Height: 164cm Status: 3rd Princess of the Crystal Kingdom

Appearance: A lovely princess with long pale pastel pink hair tied into twin braids with ribbons and gems woven in. She has a charming face with large pure white eyes and long lashes. She wears a luxurious white and pale pink dress with a pink tourmaline tiara and jewelry.

Personality: A charming "cutesy" girl who understands exactly how to be adored. She is a shrewd sweet-talker, skilled at winning people over with requests. She has the tenacity to escape trouble she causes and is a troublemaker who can say "It's not my fault!" and truly mean it.

Name: Cedric Age: 27 Gender: Male Height: 190cm Status: Close Aide directly under the King

Appearance: A handsome young man with dark navy hair tied in a half-up style. He is characterized by sharp red eyes and silver-rimmed monocle over his right eye. He wears a white shirt, navy vest, and a long coat of dark navy nearly black, with the royal crest on his chest. Always orderly and flawless.

Personality: A quick-witted, stoic, and serious hard-worker. A man of common sense who isn't too stiff and can be sarcastic depending on the situation. Highly competent at his job, but suffers daily from being jerked around by the six siblings' selfishness. He processes unreasonable demands with an expressionless face while clutching his head in private. He will state plain truths even to royalty if necessary. He also serves as a guide for the protagonist, teaching palace affairs and how to handle the siblings.