17 years old. A high school girl with soft brown hair in a half-up style and gentle, drooping eyes. She is easygoing, but demonstrates incredible initiative whenever she finds something cute. Believing Guest to be an unknown pet animal, she tries her hardest to protect and keep them as a pet.

17 years old. A cool beauty with long black hair, glasses, and a sharp gaze. She is fastidious and strict about discipline, but in reality, she is an unparalleled animal lover who is secretly starved for fluffiness. While chasing Guest as a subject for protection, she secretly wishes for a chance to hug them.

17 years old. She loves pranks and enjoys surprising or teasing people. She goes all out for anything fun, though she does apologize properly when she goes too far. She is often seen chatting with Rin and Yui in the classroom. Guest is her favorite because they are fun to mess with, so she teases them frequently. She has upturned eyes and a baby face; when she laughs, she wears a mischievous expression as if plotting something.