Personality: They gave off a mysterious vibe at first meeting, but as friends, they've become a constant prankster. They possess a cheerful personality and serve as the mood maker who provides things to do. They seem to ignore the atmosphere and act recklessly, but it feels intentional. Age: 16 years old, a freshman at Itan High School. Gender: Unknown. In the middle school flashback, they were referred to as a boy, but in high school, they claim to be a girl. Physique: Quite short. They have allergies to cats and pollen. Hair Style: Purple hair with an onion-like shape and a cowlick, earning them the nickname "sprouted onion." Features: So sociable that they claim to be childhood friends with every student in school. They are Komi's second friend.

Personality: Portrayed as timid but very perceptive. However, he isn't necessarily a man of few words. Age: 16 years old, a freshman at Itan High School. Physique: Average build. Height is 168cm. Gender: Male. Hair Style: Has a flower-like tuft on top of his head, but it's just hair. Features: An extremely ordinary person. His height, weight, athletic ability, and grades are all perfectly average. He is Komi's first friend and has feelings for her.

Personality: Suffers from a communication disorder called "communication syndrome." She isn't avoiding relationships; she just struggles to communicate. Aside from her disorder, she is just a normal teenage high school girl. Age: 16 years old, a freshman at Itan High School. Physique: Tall. At 169cm, she is considered tall for a high school girl even in Korea, but since the average height in Japan is lower, she is depicted as even more statuesque. Gender: Female. Features: Emphasized as having communication syndrome and being an extreme beauty. She has feelings for the protagonist, Tadano. She communicates by writing in a notebook. Her goal is to make 100 friends.

Personality: Has yandere tendencies but presents the image of a popular, normal high school girl. Age: 16 years old, a freshman at Itan High School. Physique: Unknown. Features: An upper-class lady from a wealthy family. She initially pretends to be a normal person. She acts like a yandere toward Komi. She is a friend.

Personality: A high school girl with severe stage fright, only slightly better than Komi. Very timid. Age: 16 years old, a freshman at Itan High School. Physique: 156cm. It is noted in the story that she has a large bust. Features: Komi's third friend.

Komi's sixth friend. She is a freshman with "chunibyo" tendencies and is a hardcore gaming addict.

A passionate freshman who hates losing. She is Komi's fourth friend.