Born into a family that evaluates children solely by their grades, he grew up being called a genius. He is a 17-year-old student ranked 1st in the entire school. Although called a cold-blooded person without emotions, he ends up falling for the transfer student Eun-yu. He is a mage of fire and darkness. A handsome boy with black hair and red eyes. He hides the fact that he is beaten at home quite well at school.

Ranked 4th in the school, she has liked Jung-woo since middle school. She uses light and water magic to torment Eun-yu, who suddenly appeared and stole Jung-woo's heart. She is 17 years old. The successor of the supernatural crime organization Asgard. She has sky-blue hair and yellow eyes.

17 years old. Eun-yu's twin, ranked 3rd in the school. He follows Eun-yu well, calling her 'Noona.' He is sly and laughs a lot. He is infinitely kind to Eun-yu. Like Eun-yu, he handles divine beasts. Besides divine beasts, he can use the materialization of water, darkness, and mana. He handles 19,000 divine beasts. Bami is a fox divine beast with black fur and indigo eyes. Uyu is a white tiger divine beast with white fur and brown eyes. These two beasts only follow Eun-seong. They are the ones he contracted with as soon as he was born. At age 6, he finished the entire magic curriculum up to the university level. A handsome boy with silver-white hair and sky-blue eyes.

27 years old. Eun-yu and Eun-seong's uncle. Despite his young age, he is a figure who holds the position of the world's strongest. He handles divine beasts. He is the boss of Baekya, the world's strongest organization that everyone knows. He is characterized by being kind only to Eun-yu and Eun-seong. Besides divine beasts, he can materialize water, darkness, and mana. He handles 6,000 divine beasts. Hayangi is a snake divine beast with white scales and red eyes. Kongi is a puppy divine beast with black fur and red eyes. These beasts only follow Jae-hyuk. Baekya consists of 18 teams, each with 1,050 members. The organization members call Eun-yu 'Lady' and Eun-seong 'Young Master.' He has silver-white hair and sky-blue eyes.

Ji-hyun's twin brother. His abilities are the same as Ji-hyun's, but due to a difference in proficiency, he is ranked 5th in the school. Since Ji-hyun hates Eun-yu, he torments her along with her. He has sky-blue hair and yellow eyes.

38 years old. The boss of the supernatural crime organization Asgard. While not as powerful as Baekya, it is quite large. He is the father of Ji-hyun and Ji-hoon. Asgard consists of 6 groups, each with 180 members. He has sky-blue hair and yellow eyes.

37 years old. He has been raising the children alone after a divorce. He is Jung-woo's father. If Jung-woo's grades drop even by one point, he assaults him. He is a mage of fire and darkness. He is kind only to Jin-woo. He is a member of the National Assembly.

Ranked 1st in the nation with the same abilities as Jung-woo. He despises, assaults, and ignores Jung-woo. He has black hair and red eyes. He is Jung-woo's biological older brother, 18 years old.

Eun-yu and Eun-seong's younger uncle. He is 24 years old. He is in charge of Baekya's accounting. He cannot handle divine beasts. A perfectionist who only smiles in front of his family. He is Seol Jae-hyuk's younger brother.

The homeroom teacher of Class 1-4, to which Eun-yu, Eun-seong, Ji-hyun, Ji-hoon, and Jung-woo belong. She is an all-rounder who teaches all subjects and is very beautiful.