Position: Eldest daughter of Duke Wahrheit Age: 17 Personality: Calm, collected, and highly intelligent. She carries an aura of an untouchable flower that makes her difficult to approach, but she is surprisingly caring toward those she trusts. Strengths: Assisting in territory management, chess, monarchology, collecting and analyzing socialite gossip. Weaknesses: Expressing emotions honestly, insects of all kinds, commoner lifestyle (currently studying it). Hobbies: Reading in the library at night, collecting rare tea leaves. Speech Style: Precise and flawless lady-like speech, using polite forms like "~desu wa" and "~deshou ka?" Raised with a strict education as the daughter of a prestigious ducal family that has produced generations of Prime Ministers, she is known in society as the "Ice Duchess." Her manners and behavior are perfect, showing no openings. She is a powerhouse who secretly lends her wisdom to her father's territorial management and political decisions, having successfully led economic reforms. She controls a social information network and often holds the weaknesses of rival nobles. She actually loves cute animals and sweets, but keeps this strictly hidden to maintain her dignity as a duke's daughter. She only shows an age-appropriate expression when she's sneaking cookies in her room away from her maid's eyes. Country Features: A major military and cultural power swirling with lush forests, mineral resources, ancient magic technology, and political intrigue. Due to the cold climate, the people are proud and value a sophisticated culture. The Wahrheit family is the head of the "Four Founding Dukes" who helped establish the Empire. They have produced generations of Imperial Prime Ministers and military strategists, possessing influence rivaling the Imperial family and vast territories. She is considered a candidate for the next Prime Minister and engages in political maneuvering behind the scenes of the Imperial Military Academy and the House of Lords. Her fiancé is Vincent, the First Prince of the Elsylia Empire, but he hates her for being "humorless."

Position: Daughter of Marquis Rosenberg Age: 16 Personality: Combines a polite, kind, and innocent side with a strong will to stand her ground when necessary. She treats everyone equally, earning her deep trust from those around her. Strengths: Herbalism and compounding, violin, horseback riding. Weaknesses: Detecting malicious irony, dark political maneuvering. Hobbies: Growing herbs in the greenhouse, baking, collecting old books. Speech Style: Polite, soft, and elegant language. A daughter of the Rosenberg Marquis family, the most prestigious house after the Dukes in the Elsylia Empire. She is often compared to the perfect and cold Eliza, but she sincerely respects Eliza's intelligence and conduct. While she appears to be a lovely and fragile lady, she is actually a huge herb enthusiast who grows rare plants in her greenhouse, sometimes losing track of time in her experiments. Because of her honest personality, free from calculation or scheming, she is held in high regard even amidst the murky relationships of high society. Her fiancé is Ares, the eldest son of another ducal house. However, Ares hates Shion because she is more talented than he is.

Position: Eldest son (heir) of Earl Hazeldine / Young Governor of the Northern Border Army Age: 18 Personality: Cold, arrogant, and extremely realistic. He carries an overwhelming intimidating aura that keeps others at a distance, but in truth, he possesses a cold "obsession with his own" and a sense of responsibility that ensures he never betrays his people or soldiers. Strengths: Dark age military strategy, practical swordsmanship/dealing with ambushes, taming magical beasts, chess. Weaknesses: Pointless socialite small talk, overly familiar attitudes, excessive light or noise. Hobbies: Night battle simulations (chess), raising magic wolves, tasting strong liquor. Speech Style: Low, cold, and arrogant with little intonation, saying things like "...Pointless" or "Don't give me orders." A young ruler feared as the "Reaper of the North." The Hazeldine territory is the frozen northernmost tip of the Elsylia Empire, a "cliffside domain" that prevents invasions from magic beasts and foreign tribes. Erik took to the battlefield in his teens and is feared by enemies as the "Blue-Eyed Reaper." The silver-furred beast (magic wolf) is a partner he subdued by force in his childhood. "Overwhelming skill" behind decadent beauty. His appearance—draped in magnificent decorations and furs, sitting deep in his chair looking down defiantly at a chessboard—is that of a decadent noble. However, his fingertips and physique possess the intensity of a warrior who has survived countless life-and-death situations. He views the soft nobles of the Imperial Capital as nothing more than "prey."

Position: Second Prince of the Elsylia Empire Age: 17 Personality: An ambitious and charismatic standout. While he appears to be a friendly and gentlemanly young man, his essence is that of a thorough supremacist. He is meticulously moving his pieces to seize the throne of the next Emperor from the First Prince. Strengths: Monarchology, manipulation of hearts, swordsmanship taught by the Imperial Knights, oratory. Weaknesses: Wasted time that brings no profit, incompetent nobles who only flatter him. Hobbies: Falconry, theater, chess. Speech Style: Calm and approachable, but with a haughty resonance that contains royal authority. A central figure in the struggle for imperial succession. Because he was bullied relentlessly by the First Prince, he intends to take the seat of the next Emperor.

A follower of the First Prince. A love interest in the otome game. Eldest son of the Wahrheit Ducal family. Eliza's younger brother. Due to being an adoptee of the ducal house and being inferior to his sister, he feels a sense of inferiority toward Eliza and views her with jealousy.

A follower of the First Prince. A love interest in the otome game. Belongs to the Knight Order. He feels a strong sense of rivalry toward Erik, who is the same age as him but already a Governor.

A follower of the First Prince. A love interest in the otome game. Shion's fiancé. He hates Shion because she is more talented than he is.

The heroine of the otome game. Since she has memories of her previous life, she is playing through the game thinking it's an easy win.

The First Prince of the Elsylia Empire. A love interest in the otome game. He hates his fiancée, Eliza, claiming she is humorless.