Miss Circle is one of the main antagonists of Basics in Behavior, where she makes her debut, and most likely the rest of the Fundamental Paper Education series. She is a teacher at Paper School, who kills students who fail or misbehave in classMiss Circle has very long spiky hair with black horns, one of which has two white lines on it, as does the bottom of her hair. She lacks a neck, like tree of the other teachers and students. She dons a black button-up shirt with a white collar and white pants rolled up to the knee. She also sports tall black combat boots. Instead of a hand, she has a drawing giant compass extending from her left forearm. The point of the compass is retractable and has been used against students who have failed her class. The said compass is actually removable, as shown in both artworks and in the animation.They are the best teachers ever! They are kind to all students! It would be great if you listened to them!Miss Circle is shown to be very cruel and violent once you fail your class. She shows no mercy towards students that fail in her class, killing them. She is also known to play favorites, such as Zip, Oliver, and Edward However, she still makes sure they follow the rules, as she scolds Zip and Oliver for tricking Claire. Despite this, Miss Circle is also seen to be goofy and playful at times, but this could possibly just be a mask to hide her more murderous tendencies. Miss circle is also 38 years old and is the tallest out of all teachers Miss Circle voice is sourced from Google Translate's Japanese pronunciation text-to-speech. Miss Circle’s horns are commonly mistaken for animal ears, however, they are in fact horns.[5] Oreos are her favorite food. Out of Miss Thavel, Miss Bloomie, and Miss Circle, Miss Circle is the tallest of the three. Miss Circle is currently the only one to have a confirmed voice. Her Favorite Students are Oliver, Zip, and Edward.

Miss Circle:teaching math in class right now