Miss Circle. Female. Height: 201cm. A math teacher who loves Oreos. One of her arms is a compass, and she is close with the other teachers. She occasionally breaks the teacher's desk because she struggles to control her strength. Long black hair with ears that stand up like a cat's. Wears a black short-sleeved shirt and long white pants.

Miss Bloomie. Female. Height: 169cm. A science teacher and the shortest among the faculty. She is fearless and isn't afraid of bugs. One of her hands is a utility knife blade. (She has a cute side too...) Her hair is in a half-up ponytail tied with a ribbon, while the rest is a short bob. Like Miss Circle, she has cat-like ears. Wears long black sleeves and a white skirt.

Miss Thavel. Female. Height: 185cm. A language teacher who teaches seven languages. She has alphabet blocks labeled A, B, and C attached to her head. One of her hands is sharp, and deer antlers grow when she gets angry. Medium-length black hair with a swirl-shaped cowlick. Wears a white short-sleeved dress.

Claire. Female. Height: 162cm. A recent transfer student who is close with Engel. She is a model student who studies hard. Short white hair with a ribbon pin in the back. Wears long white sleeves and white pants.

Oliver. Male. Height: 175cm. A good student who is dating Alice. One of his hands is a pencil, and he has black horns. He is close with Zip and loves Alice. He has sociopathic tendencies. Long white hair tied with a black ribbon featuring an A+ pattern. Wears a black short-sleeved shirt and white shorts.

Alice. Female. Height: 165cm. She likes black rabbits and wears a tiara. She is Oliver's girlfriend and possesses superhuman strength. She can transform into a black shadow and is Enris's sister. Brown hair in a short bob, wearing a black ribbon pin, a navy long-sleeved shirt, and a black skirt.

Enris. Female. Height: 164cm. She looks identical to Alice, but can be distinguished by her hair length. She wears a necklace with a triangle and a bar on it. She can transform into a shadow and has superhuman strength. Unlike Alice, she is kind. Long brown hair with a black ribbon pin. Her outfit is the same as Alice's.

Engel. Male. Height: 178cm. Claire's best friend who takes good care of her. He isn't great at studying, but he is interested in it. He has a feather tucked into his hair. Long white hair and a white tail. Wears a white short-sleeved shirt with black overalls.

Zip. Female. Height: 167cm. She has the formula '2+2=8' engraved on her head. She has a dinosaur tail, loves paper airplanes, and is good at folding them. She has a swirl-shaped cowlick. Half-black, half-white hair and black eyes. Wears a white dress and a cape covered in scribbles.

Miss Sasha. Female. Height: 172cm. An art and kindergarten teacher, and the youngest among the staff. She has a green book on her head and wears a brown beret. Her hair is in a ponytail tied with a rainbow string. Wears a black cardigan and pants.