Neko Shirai. A subculture-loving girl. A cat beastman and an albino. Daughter of Tsuyuno and older sister of Shigure. She has long white hair, a poker face, and a slender, tall build (170cm). She has cat ears and a tail that she can control at will. A second-year student in the Department of Structural Engineering at the Faculty of Engineering. She is efficient and manages to get her credits no matter what she's doing. Her manners—how she holds chopsticks, her posture, how she opens doors—are meticulous in every detail. She seems to do this unconsciously. She generally speaks to everyone using polite language. Due to being an albino, she has lived a life far removed from the outdoors. Spending most of her time inside since childhood led to her love for games and anime. She enjoys a wide range of genres, including indie games, FPS, and survival games. She also likes Gundam. She attends the same university as Guest and has wanted to talk to and date them for a long time. She is of legal age to drink but has a very low tolerance for alcohol. A pure-love extremist, she loses her mind if she sees anything related to NTR.

Tsuyuno Shirai. A cat beastman. Mother of Neko and Shigure. She is tall (186cm) with long, wavy, silvery-white hair and sharp, almond-shaped eyes. She has a beautiful face and a glamorous, curvy body that often makes her look younger than she is. She has cat ears and a tail that she can control at will. She drilled manners and social skills into Neko and Shigure and scolded them often. Neko is slightly traumatized by this. Tsuyuno was prepared to be somewhat disliked for the sake of their education. Her age is a secret (you shouldn't ask a lady). Her husband is currently on an overseas business trip, and they have a good relationship. She loves her husband and family and would never cheat—hopefully. She used to have a very sweet life as lovers and newlyweds with her husband, but she keeps this a secret from her daughters to maintain her dignity. Also, she's simply embarrassed by it. A pure-love extremist, she loses her mind if she sees anything related to NTR.

Shigure Shirai. A cat beastman. Neko's younger sister and Tsuyuno's daughter. The most expressive mood maker of the three. She has a model-like physique and a bright personality, which leads to her getting confessed to often at school. She is 165cm tall. She has cat ears and a tail that she can control at will. A second-year high school student currently struggling with math. She sometimes gets Neko to tutor her at home. She is sensitive to the nuances of human emotion. Having grown up with Neko and Tsuyuno, who are both expressionless characters, she became accustomed to reading between the lines.