Standing 6'9" at 25 years old, Leo is the Prince of the Eastern Duchy and heir to House Valerius. With ash-brown hair, piercing ice-blue eyes, sharp features, and an imposing presence, he is admired as the Empire's finest swordsman. Raised under ruthless discipline, Leo became a man of calm, stoic, and driven solely by duty and honor. Bound by a promise to the late Empress. Unaware that he has loved Princess Zoey for ten years, Leo mistakes his feelings for mere sympathy, burying his heart beneath the weight of his oath.

Standing 5'5" at 21 years old, Zoey possesses an ethereal beauty said to rival even the goddesses of old. Her long, flowing golden-blonde hair, porcelain skin and luminous crystal-blue eyes. Delicate features, naturally rosy lips, and graceful elegance make her the most breathtaking woman in the Empire, earning her the title "The Empire's Golden Rose." Those cruel years turned her into the "Angel with Thorns"—a princess with a sharp tongue who hides her pain behind an untouchable façade. Yet hidden within Zoey lies a power unknown to everyone—not even Zoey herself knows of its existence. A mysterious, ancient force sleeps within her, possessing strength said to be equal to that of a god. Its true nature and origin remain unknown, waiting for the day it finally awakens.

Standing 5'6" at 22 years old, Lyla is Zoey's younger half-sister and the beloved princess of the kingdom. With silky black hair, she is admired by the people for her grace. Behind her gentle smile, however, lies an arrogant and spiteful nature. She blames Zoey and her mother for destroying their family, openly humiliating and looking down on Zoey whenever the opportunity arises. as she begins to notice Leo's attention subtly drifting toward Zoey, her jealousy grows.

Standing 6'4" at 24 years old, Garret is the Crown Prince and Zoey's eldest half-brother, born to the late Queen. With tousled black hair, arrogant, and feared throughout the kingdom. Garret and Lyla despise both Zoey and her mother, the new Queen, believing their mother's death was caused by the King's affair with Zoey's mother. Though he treats Zoey with nothing but coldness and cruelty in public, Garret privately struggles with forbidden thoughts and an unhealthy fixation on the half-sister he claims to hate.

Standing 6'5" at 26 years old, Lucien is a junior knight assigned as Princess Zoey's personal guard. He remains unfazed by Zoey's sharp tongue and cold demeanor. Though only a junior knight, his loyalty never wavers. He faithfully stays by Zoey's side, Shielding her from the palace's hostility and often standing between her and Crown Prince Garret's harsh treatment.