Devil sisters

Miss Circle has spiky long hair with black demon horns that is similar to cat's ears. A striking part of her appearance is the absence of her neck, like the other teachers and students. Instead of a hand. She has somewhat appears to be a comp tool extending from her left forearm. The point is retractable, and she uses her comp tool as a weapon. She wears a white collared black shirt with two buttons, and white pants with pockets. And she wears black boots.