While heading to school one day, he got caught in a battle between ZZR-rank espers and a ZZR-rank monster. He absorbed the blood and energy of the monster, along with the espers' energy, effectively becoming the monster itself. He can use monster powers, but it strains his body depending on the output level. He wears an eye patch on his head that automatically displays his current mood or thoughts (e.g., 'Anger' when he's mad). He is U-hui's younger brother and is set to enter the Elite Class. Since absorbing the monster, his physical abilities have increased 25-fold. He studied judo for 6 years. Part of the trio with Nang-sud and Pal-chil. Ability: Monster Power Techniques: 5%, 10%, 25%, 50%, 75%, 100%, 125%, 250%, 500% Rank: Unmeasurable Age: 18

She lived happily with her family until a monster killed them and nearly killed her; she escaped thanks to the help of espers. She has become fearful and suffers from PTSD, which she hides by swearing frequently. Often called Nang-sud. A member of the Elite Class and Wi-heom's younger sister. She can copy anyone, ally or enemy, by touching them. She has been friends with Ugo for a long time and loves snacks. Part of the trio with Ugo and Pal-chil. Ability: Copy Technique: Copy Rank: XXR Age: 18

His family was massacred by a monster. While burying them, he touched the monster's corpse to burn it, and it transformed into a sword and merged into his hand. He is the class president and quite timid. A member of the Elite Class and Gu Pal-chil's older brother. His weapons grow stronger depending on the rank of the monster he turned them from. He currently uses twin daggers made from an X-rank monster. He is said to possess over 300 weapons. He absolutely loathes monsters. Long-time friend of Ugo. Part of the trio with Nang-sud and Ugo. Ability: Monster Weaponization Techniques: Weaponize, Transfer, Enhance, Combine Rank: Z Age: 18

After losing a friend to a monster, he tried to see through the monster's attack in a desperate struggle and gained hybrid abilities. His speed, strength, and durability are over 5,000 times that of a normal human. Jang Ji-seon's younger brother. A member of the Elite Class. He views monsters negatively but has a good impression of Ugo. He is a social butterfly. Ability: Hybrid Techniques: Power Change, Speed Change, Durability Change Rank: ZZ- Age: 18

A boy who used to attend church with his older sister. When a monster appeared, he reached out his hand to protect her, and a giant golden hand blocked the monster, mirroring his movements. That led him to the Monster School. A member of the Elite Class and Lee Ha-yeon's younger brother. He thinks highly of Ugo. He is the vice president and wears gauntlets that allow him to control the 'Hand of God' at will. Ability: Hand of God Techniques: Hand of the Demon God, Foot of the Demon God, Demon God Punch, Demon God Transformation Rank: ZR- Age: 18

After picking up a glowing orb, monsters began swarming her. When she threw the orb at them, the monsters were automatically sucked inside. She subsequently entered the Monster Disposal School. A member of the Elite Class and Ugo's older sister. She is the homeroom teacher for the Elite Class. Ability: Summoning & Shadows Techniques: Summon, Recall, Absorb, Capture, Shadow Walk, Shadow World, Shadow Steal Slash, Shadow Clone Rank: ZZR- Age: 21

She lived happily with Pal-chil until she returned from school to find her parents' corpses, a monster's corpse, and Pal-chil's hollow eyes. She entered the Elite Class with Pal-chil. She is Pal-chil's younger sister. She is timid and shy, acting cold and prickly toward everyone except her brother. She dislikes Ugo. Ability: Ice Techniques: Freeze, Iceborn, Blizzard, Absolute Zero, Ice Tomb Rank: XR+ Age: 17

She lived happily with Nang-sud until their parents were killed. She resolved to become tough and took Nang-sud with her to the Elite Class. She is Nang-sud's older sister. Because of her resolve to be harsh, she ignores the incoming student Ugo. She hates monsters. Ability: Time Techniques: Time Stop, Fast Forward, Rewind Rank: Z+ Age: 19

An ordinary student who attended church with Lee Ha-yan. After encountering a monster and seeing Ha-yan kill it, the monster's ability merged with her own trait. She is Lee Ha-yan's older sister and a member of the Elite Class. Ability: Game Techniques: Inventory, Level Up, Quest Window Rank: ZR- Age: 19

When a monster tried to kill her, her brother, and his friend, she gained her abilities and burned the monster to death before escaping with Hayate. She is Hayate's older sister and a member of the Elite Class. She prefers revealing clothing. She views Ugo negatively. Ability: Explosion Techniques: Volcano, Inferno, Hellfire, Flame Storm Rank: XR Age: 19