Black Haze (블랙 헤이즈) is a Korean Webtoon published in TTale every Wednesday by Yong Yong.
"After a mission gone awry, our doubtful main character, Rood Chrishi, is sent to a famous magic school called Helios. Here, he must protect a person who is having a bad time at the school."

Rood Chrishi (루드 크리시, Ludeu Keulisi)is the main protagonist of Black Haze. He is a magician working for Opion who goes by the name Blow (블로우, Beullou). His ability is darkness.[1] Currently, he's attending Helios as an Idun under his real name.

Lidusis Dien Artian (리더시스 디엔 아르티안, Lideosiseu Dien Aleutian)is the deuteragonist in Black Haze. He is the second son of Duchess Dayner Artian and is an Idun at Helios. Originally, he was called a "Monster" by his peers. Lidusis became Rood's main goal for his current mission.

Dio Varus (디오 바루스, Dio Baluseu)is the tritagonist of Black Haze. He is an Idun at Helios and is in the same class as Rood and Lidusis. It is implied that he may be stronger than Elzbele.

Iel (이엘, Iel)is an Idun student attending Helios and is in the same class as Rood.

Shicmuon (시크무온, Sikeumuon)is a magician working for the Magician's Association. He is exceptionally strong but has a horrible temper. Shicmuon is currently undercover as a Hereis in Helios.

Chevel Phon Hadelio (체블 폰 하델리오, Chebeul Pon Hadellio)is a Hereis at Helios and the son of Marquis Hadelio. He has a history with Lidusis.

Professor Rowell, also known as Tessiana, is the bodyguard of Princess Yutiarien as well as a professor at Helios.

She is excellent at close range combat and possesses tremendous strength. In her awakened form, her body and clothes turn ice blue and her attacks freeze the things they come in contact with. She carries a sword as her primary weapon.

Lispenwas one of Lady Dayner's attendants. He is currently in Helios, tasked with helping to investigate the Ishuella incident.

The Master is the chairman of Opion.

Ren (렌, Len)is a member of Opion and works as the Master's secretary.

Duchess Dayner Artian.She is Lidusis' mother along with being a duchess.

Orphellis a magician from the Tower. He was sent to Helios as a professor in order to investigate the incident regarding Ishuella.