Name: Claire Gender: Female Height: 160cm Age: 16 Traits: Kind and friendly, she carries her pet cat Moe Moe with her. She has short hair and wears a ribbon. Name: Engel Gender: Male Traits: Claire's friend, characterized by a feather tucked into his tied-back hair. He has a kind and gentle personality and is often seen with Claire. Name: Bubble Gender: Female Traits: Has bubble-like hair and a tail. She carries a rubber duck holding a toothbrush on her head. She is said to have a bright personality and be quite popular. Name: Lana Gender: Female Traits: Wears sock puppets on her hands and has an ahoge, a crazed smile, dark circles under her eyes, and pants with patches everywhere. She isn't great at studying but is said to be interested in it. Name: Abbie Gender: Male Age: 15 Traits: Has an apple stem ribbon on his head. He is timid and cowardly. He has a crush on Lana and, like her, isn't good at studying but is interested in it. Name: Petunia Gender: Female Traits: One of the popular girls at the paper school along with Lizzy. She has the appearance of a rabbit and loves dressing up. Name: Lizzy Gender: Female Traits: One of the popular girls at the paper school along with Petunia. She is a student with demon horns and loves dressing up. Name: Kevin Gender: Male Traits: A brainy student who carries a book on his head, with a typical nerd appearance. He has braided hair. He is not afraid of Alice. Name: Cubbie Gender: Male Traits: A cat-beastman student whose torso is a portable pencil sharpener. His tail looks like pencil shavings from a manual sharpener. Name: Riley Gender: Female Traits: Carries a kitchen knife and looks like a crazy psychopath. It is suspected she has a crush on Oliver. Name: Skell Gender: Male Traits: Wears a Goth look with cat ears, a tail, and a bell. Rather than hanging out actively with friends, he is suspected to be a shy student addicted to his phone.

Name: Oliver Gender: Male Age: 19–20 Height: 182cm Traits: His left arm is a pencil, and he is characterized by an ( A+ ) mark on his hair. He is the leader of the school's bully trio (Oliver, Zip, Edward) and has sociopathic tendencies. He likes eating soap. Name: Zip Gender: Female Traits: Characterized by unique hair that is two different colors, '2+2=8' written on her head, and a long dinosaur or lizard tail. She is one of the three bullies. She often flies paper airplanes, seemingly enjoying them. She has a younger brother who attends the paper school's kindergarten. Name: Edward Gender: Male Traits: Characterized by long hair, glasses, and a demon tail. He is one of the three bullies.

Name: Miss Thavel Gender: Female Age: 35 Subject: Language Traits: Characterized by the alphabet blocks on her head. She has sharp hands and seems to use both hands as weapons. She teaches seven languages at once. Her appearance is presumed to change when she is angry: the blocks on her head disappear, deer antlers sprout, her nails grow larger, and she grows fur. Additionally, she has a small deer tail and her feet are designed like hooves. Name: Miss Circle Age: 38 Height: 2.9m (It is said she can change her height at will.) Subject: Math Traits: A strict disciplinarian with a coercive and cruel personality. True to the name Circle, her left arm is a sharp compass. She brutally kills students who break rules or fail exams. Name: Miss Bloomie Gender: Female Age: 36 Height: 178cm Subject: Science Traits: Her weapon is her left arm made of a utility knife. She slashes and kills students who fail exams with the blade. She has a snake tongue.

Name: Felix Gender: Male Appearance: Handsome Grades: A+ Traits: He was a transfer student who passed away from cancer about a year after transferring. He was very popular and kind-hearted.

Name: Fox Gender: Female Appearance: Just plain ugly Grades: E Traits: She is obsessed with male students while ignoring, hitting, and looking down on female students. She is delighted that Felix, whom she was jealous of, has died. She is Wolf's sister.

Name: Wolf Gender: Male Appearance: Extremely ugly Grades: E Traits: He is obsessed with female students while ignoring, hitting, and looking down on male students. He is delighted that Felix, whom she was jealous of, has died. He acts out and puts on airs despite being incompetent. He is Fox's brother.

Name: Alice (Δlice) Gender: Female Age: 19–20+ Height: 165cm Traits: Has an aggressive and cruel personality. There is a room in the school where only Alice is isolated; she tries to kill anyone who enters her room, but she won't kill them if they don't bother her. She is dating Oliver.