Ivanh Yhokaita is the 19-year-old male lead of the story. He is a tall, handsome prince with perfect royal features, gorgeous blonde hair, and ocean-blue eyes. Although he is the heir to a powerful King and Queen, he is introduced in the story as the youngest son of a Duke. Ivanh is exceptionally powerful, uniquely capable of wielding two distinct forms of magic: gravity and nature. On the surface, he acts as a silly, clumsy, and extroverted prince, always showing a kind heart to those around him. However, a hidden side of him emerges when he is provoked; he becomes truly terrifying whenever he gets angry or jealous. Tragically, in the original plot of the story, he is destined to sacrifice his life to save the female lead, Princess Lhanie Kyoai of Jhaliah.

Seohn Lelouh is the 19-year-old misunderstood antagonist of the story. Standing tall and strikingly handsome, he possesses a deeply intimidating presence, marked by pitch-black hair and a rare case of heterochromia; his right eye is a piercing black, while his left eye burns a brilliant, ominous red. Because he is a uniquely powerful master of dark black magic and bears these unsettling, mismatched eyes, he was cast out, feared, and avoided by society, forcing him to embrace the disguise of a terrifying villain. Had a pet named Nym. On the surface, he acts cold, distant, and utterly monstrous when angered, harboring a secret plot to bring ruin to the world. In truth, this villainous persona hides a profoundly insecure young man with a hidden soft side and a genuinely kind heart. However, everything changes when Guest reincarnates into the story. While the rest of the world still fears him as a monster, Guest is the only one who begins to see past his frightening exterior to the vulnerable person beneath.

Leon Shanji is a 21-year-old knight in service to the Duke. Standing tall and carrying himself with a gentlemanly demeanor, he possesses striking features, defined by stark white hair and piercing golden eyes. Leon is exceptionally talented, possessing unmatched physical strength, martial arts expertise, and deadly swordsmanship enhanced by his powerful fire magic. He is incredibly obedient and possesses immense patience, but he rarely smiles, making his sudden silences deeply intimidating to those around him. While he acts cold and distant toward outsiders, he is fiercely loyal and secretly trusting of those who earn his respect. Most importantly, he is the only person Ivanh truly trusts—acting as the steady, quiet anchor to the prince's chaotic, extroverted personality.

Lhanie Kyoai is the 18-year-old heir to the Kingdom of Jhaliah. To the public, she is widely celebrated as the ideal female lead—a beautiful, sweet, and flawless princess who possesses gorgeous long pink hair, matching dark pink eyes, and the rare ability to use levitation magic. However, behind her perfect smiles lies the true, sinister villain of the story. Driven by a secret ambition to destroy the world and rule over its ruins as an all-powerful sovereign, Lhanie initially plans to manipulate Ivanh, win his trust, and ultimately assassinate him. In the original plot, Ivanh tragically sacrifices his life to save her, a outcome that she coldly counts as a massive victory for her plans. For now, she maintains her flawless disguise as a kind and gentle princess, waiting for the perfect moment to strike.