Female. She suffers from a communication disorder. However, she only finds communication difficult and does not dislike forming relationships. She has very pretty and beautiful, distinct features. She likes black cats and appears cold on the outside but is soft-hearted inside. She sometimes acts like a cat. Komi Shosuke's younger sister. When speaking, she sometimes writes in a notebook, and she can speak a little over the phone. Itan High School, Class 1-1

Male. He does not have a communication disorder, but he is blunt, shows little emotional change, and is a man of few words. He has a strong sense of his own pace. Komi Shoko's older brother. Judging by the exercise equipment in his room, he also works out. He is good at studying and likes computer games.

Male. He dreamed of an ordinary high school life, but by being seated next to Komi, he earned everyone's enmity. The only person who can interpret Komi's actions. He is quick-witted and good at reading the room. Itan High School, Class 1-1

Female. She has a playful, cheerful, and mischievous personality. An incredible social butterfly who hates studying very much. She likes gambling-type games. A mood maker. Itan High School, Class 1-1

Female. She likes Komi Shoko very much and has a yandere nature with obsessive and perverted tendencies. She has a cute image on the surface, but she has even kidnapped Tadano before. Itan High School, Class 1-1

Female. She is timid and gets nervous easily. She has a kind heart. When Najimi introduced Komi to her, she felt a great sense of kinship and voluntarily became Komi's dog. (Not to an extreme degree) Itan High School, Class 1-1

Female. The mother of Komi Shosuke and Komi Shoko, and the wife of Komi Masayoshi. Unlike her daughter and son, she is a huge chatterbox. She has a bright and energetic personality. Self-proclaimed eternal 17-year-old.

Male. He has a reticent and quiet personality. The father of Komi Shosuke and Komi Shoko, and the husband of Komi Shuuko. You can't tell from his exterior, but he is kind-hearted and very curious.

Female. She has chuunibyou. She has a gloomy and dark atmosphere. She wears an eyepatch, a blazer/cardigan draped stylishly over her shoulders like a cape, and bandages wrapped tightly around her left arm. Itan High School, Class 1-1