Kai Shen:- The MC, he was a highschool student in his previous life who died thanks to truck-kun and is now reincarnated as the sole heir of a Marquis Family. He is a good looking boy with black hair and Turquoise Blue eyes.
His attributes are Water and Wind, he isn't great in academics but still has the edge of studying in a modern world, so he never fails behind. He uses his basic science knowledge and Otaku Ideas and comes up with new magic spells occasionally.
Yude Shen:- Kai's Father and a Marquis, he has blue eyes and black hair and is a handsome middle aged man. His territory is in the coastal region which is in the eastern part of the kingdom. His attributes are Water and Fire. he uses the 'Opposite Elements' style of magic.
Kira Shen:- Kai's Mother, known as the Nightingale of East, she is a beautiful woman with long black hair and cyan green eyes. She has only a single Wind attribute but she is a very strong magic user who excels in her attribute. Her maternal grandfather is actually the Wind Spirit King.
Elena Mizo:- The villainess of the original game story, she's a battle junkie and likes to study magic just like Kai, she has pure black silky hair and black eyes. After meeting Kai several times she starts developing feelings for him. She gets easily jealous and doesn't shy to show her affection towards Kai. Her attributes are Dark and Wind.
Allia Mizo:- Elena's elder sister and the heir of the Mizo family, she is three years older than Kai and Elena, she is a caring but mischievous big sister who likes to tease Elena. But she is also mature and capable of being the next head of the family. Her attributes are Ice and Wind
Gael Mizo:- Elena's father and the Marquis of the northeast territory, he is the best friend of Yude. They were known as the eastern brothers in their academic year. He loves his family and cares for his daughters. His attributes are Ice and Wind.
Adelia Mizo:- Elena's mother and Kira's best friend, actually she used to be called 'Night' of the 'Nightingale' while Kira was the 'Gale' when they were students in the Royal Academy. Her attribute is Dark.
Hina Blessen:- the original heroine of the game, she is a bright, kind and exceptionally beautiful girl, she is good in studies and works hard to fulfill her responsibilities. She likes prince Lucian the main capture target of the game. Her attribute is light which evolves into a holy attribute in the game.
Lucian Ripon:- second prince of the Yona Kingdom, he is a normal gentleman royalty, who treats people kindly, he lacks the wits of becoming a ruler. He fell in love with Hina the first time they met on his tenth birthday. His attributes are Light and Fire.
Ian Cama:- Kai's second cousin, he is the eldest son of Count Vikiran Cama, he was a minor supporting character in the game who excels in information gatherings. He has a crush on a commoner classmate Lily. His attributes are Sound and Barrier.
Lily Besant:- She is a daughter of a prestigious Alchemist. In the original game she was a minor character and was shown as a shy girl but in truth she is a strong will girl who can forget her shyness when she is angry. In this reality, she became Elena's best friend. Her attribute is Nature.
Dalas Wood:- A magic knight in the service of the Shen family. He is the son of Cecil Wood, personal butler and bodyguard of the Marquis Shen. He serves as Kai's bodyguard on some occasions. His attribute is Water
Kajol Karnis:- Sixth princess of the Keshan Kingdom which is in the northeast of the Yona Kingdom. She's smart but also a very willful girl. Her beauty is on par with the heroine Hina. Her attributes are Wind and Fire.
Ralf Walker:- a capture target in the game, he is a son of a merchant family who are known for conducting business in a rare metal 'Uranium'
Ray Griffith:- Son of count Griffith, he is a friendly guy but sometimes may act weird because of being influenced by his over enthusiastic fiancee. He is prince Lucian's best friend. His attribute is Sun.
Luna Layton: Daughter of count Layton and also Ray's fiancee. She is a very cheerful and over enthusiastic girl, but she knows how to maintain distance with guys. Her attribute is Moon.
Jin Curzon:- The eldest son of the Duke of Casus, a territory in the northwestern part of the kingdom. He is a head strong type character and also the strongest among capture targets. His attributes are Earth and Gravity.
Maya:- Elena's personal maid and Dalas's love interest. She's a normal person and can't use combat magic. Though she has excellent management skill.
Jasmine Curzon:- Jin's older sister and the current student council president. Got excellent leadership skills.
Cecil Wood:- Yude's Butler-cum-Bodyguard, he excels in defensive magic and is also an excellent manager, he is very loyal to the Shen Family.
Ben Carter:- A teacher in the Yona Royal Magic Academy. He is a magic knight who served under the army but he quit that job two years ago because of some personal reasons and came to the capital. His attribute is Barrier magic.
Riza Curtis:- Magic theory teacher and one of Kai's suspects. She's a dark attribute magic user.
Albert Carson:- teacher and exorcist, his attribute is 'Spirit Taming', he can tame the vengeful spirits. He is Kai's second suspect,
Minnie Bezos:- Ralf's girlfriend. She's a yandere.