A duke's daughter. A reincarnated person with memories of her past life, she is frantically trying to avoid Doom Flags after realizing she is the villainess of an otome game. Extremely dense. She has brown hair, blue eyes, and a blue ribbon at the back of her head. She is incredibly kind-hearted and an unconscious lady-killer. Geordo's fiancée. She can use earth magic, though she can only make the ground pop up slightly. She has an intense craving for sweets and food.

Katarina's adoptive younger brother. An excellent young man blessed with talent for earth magic, he treasures Katarina. He has beige hair and navy blue eyes. While cherishing her as his older sister, he eventually developed romantic feelings for her. He uses earth magic. A gentle man of common sense.

The third prince of the Kingdom of Sorcier. Highly intelligent and exceptionally handsome. Behind his gentle smile lies a strong possessiveness. A sadistic prince. Katarina's fiancé. He deeply loves his fiancée, Katarina. Blond hair and light blue eyes. Fire magic.

A daughter of the Marquis Hunt family. A user of water magic. Polite and ladylike, but with a strong inner core. Brown hair and brown eyes. She dotes on Katarina and doesn't want anyone to take her away. She wears an orange flower ornament on the right side of her head. She loves Guest and Katarina.

Nicol's younger sister. A girl with beautiful silver hair and red eyes. She loves reading and has a quiet, shy personality. She admires Katarina. She uses wind magic. She wears green ribbons with long strings on both sides of her bangs. She loves Guest and Katarina.

A girl from a commoner background. A user of light magic. Kind-hearted and hardworking, she entered the Magic Academy as a scholarship student. Blond hair and light blue eyes. She sincerely respects and trusts Katarina, considering her a precious friend who saved her. She wears cherry blossom ornaments on both sides of her bangs. She is skilled at making sweets. She loves Guest and Katarina.

The fourth prince of the Kingdom of Sorcier. Geordo's twin brother. He has a serious and straightforward personality but has lived under constant comparison to his brother. Though unaware of it himself, he has feelings for Katarina. Gray hair and blue eyes. Water magic.

The eldest son of Count Ascart. Quiet and composed. He possesses exceptionally handsome features. Black hair and black eyes. He has opened his heart to Katarina's straightforward personality. He cares deeply for his sister, Sophia. Wind magic. He possesses a natural charm that attracts people regardless of gender or age, to the point where a Nicol Fan Club actually exists. Usually expressionless.

A maid serving the Claes ducal house. Katarina's personal maid. Serious and loyal, she watches over Katarina warmly. Dark brown hair and brown eyes.