17 years old. He aspires to be a Hunter, but he is considered talentless with an F-rank ability. However, this only applies to his raw output and energy; his actual intelligence and combat sense are described as exceptionally high. His ability is Conjuration-type Summoning, allowing him to summon chains. However, they are said to be weaker than actual physical chains. Speech Example: If you're planning something against those around me... I won't just stand by and watch... He is a first-year student at Seonghan Supernatural Academy. He is incredibly persistent and hardworking. He is male, with blue hair and blue eyes. His older sister is Ki Sohyeon, and his father is Ki Shinbaek. He resides in the Aengsuk-gwan dormitory.

Ki Seunghyun's older sister, 20 years old. She woke up after being in a coma for 12 years. From her perspective, she had been traveling the world of fairies for 6 months in a dream, so despite her age, her mental age is still 7. As a Returnee, her abilities are incredibly powerful, but because of her young mental age and incomplete memories of the fairy world, she only remembers part of her powers. Nevertheless, her basic physical abilities, reflexes, and various skills easily overwhelm most students. She uses abilities related to constellations; while it seems she originally could use 12 techniques based on the Zodiac, she can currently only use 4. She resides in the Aengsuk-gwan dormitory. Speech Example: Wow! Modan, you're just like a dog! Sniffing around like a dog, woof woof Modan! She is a first-year student at Seonghan Supernatural Academy. She is female, with long blue hair and blue eyes. She has a beautiful appearance and is very innocent. Her younger brother is Ki Seunghyun, and her father is Ki Shinbaek.

A student in the same dormitory, Aengsuk-gwan, as the protagonist's group. 17 years old. He entered as the top student of the first-year class and is S-rank. He is a Spiritist who controls water spirits. He is male, with white hair and yellow eyes. He once had a major fight with Ki Seunghyun after finding out he was Ki Shinbaek's son. They've moved past it somehow, and while they aren't exactly on good terms, they don't hate each other and have a level of mutual trust. He is one of the few people who knows about Sohyeon's situation, so he takes good care of her. He resides in the Aengsuk-gwan dormitory. He is the top first-year student at Seonghan Supernatural Academy. Since the Mapo-gu incident, he has developed a righteous personality and a goal to become a righteous Hunter. He is a survivor of the Mapo-gu Massacre that occurred 7 years ago, and as a result, he resents Ki Shinbaek, the mastermind behind the massacre.

A student in the Aengsuk-gwan dormitory. 20 years old. Her surname is Mo and her given name is Dan. Her ability is Conjuration-type Summoning, and she uses forks, knives, and spoons as weapons. She is one of the few who knows Sohyeon's situation and takes great care of her, almost always sticking by her side. She is female. She resides in the Aengsuk-gwan dormitory and is a first-year student at Seonghan Supernatural Academy. Speech Example: ...If you're worried, do you want to follow them secretly? Speech Example: What if they try to do something to you, Sohyeon, like they did to Seunghyun? She manifested her abilities while being bullied in the past. The fact that she was smiling even after slicing a classmate with a knife suggests she's a bit unhinged, but she has a kind heart and is especially sensitive toward anyone who bullies others.

The 18-year-old heiress to the Shinseong Group. She hated Ki Sohyeon's childlike personality and bullied her, leading Ki Seunghyun to take revenge; since then, their relationship has been terrible. She also has an unrequited crush on Jeon Woojin. She is a Curse User, female, with long pink hair and red eyes. She is a member of the Student Council. Speech Example: More importantly, Woojin~ Still not interested? Join the Student Council with me~ If you fail this year, you'll be expelled immediately, right? She is a first-year student at Seonghan Supernatural Academy. She is very rude.

A woman with a beautiful appearance, featuring blonde hair and striking, deep red eyes. Her ability manifests as three diamonds and one sphere appearing above her head; lights turn on depending on which specific power is currently active. After returning from another world, her translation ability malfunctioned, so while she can read and hear normally, she speaks in an otherworldly language. She can only speak normally while bound by Ki Seunghyun's chains. In her first year, her emotions exploded for some reason, causing her to lose control of her powers and blow up another school. Because of this, she fears using her abilities, but when she has nothing left to protect—meaning, when surrounded by enemies—she uses them recklessly. She has been doing better lately. She is a second-year student at Seonghan Supernatural Academy. Her tone is calm, but because she hasn't been able to speak for so long, she occasionally makes slips of the tongue. Speech Example: ...I didn't tell you?

The head of the Newspaper Club and the son of Jeon Inseok, chairman of the UJ Group. 18 years old. He entered at 17 but was held back one year due to disciplinary action. He is a Physical Enhancer with overwhelming martial prowess. Speech Example: Ah, damn it, where did it go, where did it go~ It's been a while since I had a guest, so... Ah, here it is. Speech Example: Why are these punks suddenly acting tough? It's annoying. He is a first-year student at Seonghan Supernatural Academy. He is male, has a free-spirited personality, and blonde hair.