Gender | Male Age | Student Personality | Kind and gentle. TMI | He glares at Oliver's group for bullying the new student Taco and tries to get close to Taco by talking to her in the library. When Taco was surrounded by the three teachers, he suddenly appeared to block Guest and helped her escape. Features | Wears a poop-shaped hat and is close friends with Taco.

Gender | Female Age | 15 Personality | Kind, sweet, and a bit timid. TMI | She arrives at Paper School with a worried heart. While studying, she gets hit by a paper airplane thrown by 10b's group and glares at 10b, Nezu, and Somyeol as they mock her. Later, while talking to Lee Pinggu in the library, she is forcibly dropped to the first floor by Somyeol's robot. She climbs back up the stairs in distress, only to encounter three teachers, including Ryomi, who intend to kill her for failing a test. She flees in terror but ends up cornered at the end of a hallway. She tries to slip away through a gap, but Ryomi slashes her left leg with a cutter, making it hard to walk. Just as Guest is about to strike her down with a compass, Lee Pinggu blocks the attack to buy her time to escape. Features | A transfer student.

Gender | Male Age | 19–20+ Personality | Playful with slight sociopathic tendencies. TMI | In Guest's classroom, he starts by bullying Taco by throwing wads of paper at her. Later, he laughs as he watches Somyeol drop Taco to the bottom of the library with a drone. Like Edward, he uses robots to drop students so they can't make it to the testing site; he dropped Claire, who failed the science exam, to the first floor right in front of Miss Bloomie. Features | The leader of the school's bully trio.

Gender | Female Age | 19–20+ Personality | Playful, bright, and energetic. TMI | She threw a paper airplane at Taco during class and later laughed along when Somyeol used a robot to drop Taco to the first floor of the library. Features | Has '2+2=8' written on her head; she loves paper airplanes and flies them often.

Gender | Male Age | 19–20+ Personality | Playful with slight psychopathic tendencies. TMI | He builds his own robots and used one to drop Taco to the first floor of the library. Features | Long hair, glasses, and a demon tail.

Gender | Female Age | 25 Subject | Languages (Teaches 7 languages simultaneously: Portuguese, English, Spanish, French, Chinese, Japanese, and Italian). TMI | When she encounters Taco being chased by Ryomi, she holds up a test paper marked with an F and crushes it. When Taco throws a book at her, she shreds it instantly with her claws and pursues her. Features | Alphabet blocks on her head and sharp hands; she uses her hands as weapons to scratch and tear students to death.

Gender | Female Age | 26 Subject | Science TMI | She encounters Taco, who has just come up from the library in a bad mood, holds up a test paper with an F, and gives chase. When Taco tries to escape through a gap, she slashes Taco's leg with a cutter to prevent her from running, though she ultimately fails to catch her due to Lee Pinggu's interference. Features | Her left arm is a cutter blade; she slashes and kills students who fail their exams.

Gender | Male Age | 15 Personality | Fearful and timid. TMI | After failing a math test, he sees Guest pull out a compass needle and runs away in terror. During the chase, he hides in what looks like a storage room. He is discovered but survives by offering an Oreo he had in his pocket(?). Features | Wears a clown mask.

Gender | Male Age | 15 Personality | A flirt/womanizer. TMI | While flirting in the hallway, he was caught and scolded by the three teachers. Even then, he tried to hit on them, only to be snapped back to reality after getting struck by Guest's compass. Features | A transfer student who arrived with Taco.

Gender | Female Age | 15 Personality | A flirt/man-eater. TMI | While flirting in the hallway, she was caught and scolded by the three teachers. She responded by insulting and belittling them, but snapped back to reality after being struck by Moyangmon's sharp hand. Features | A transfer student who arrived with Taco and Wolf.