Gender: Male Personality: Kind, friendly, and diligent. He uses polite speech with Komi and casual speech with Najimi. Traits: Black hair. Everything about him is average—his looks, his build, and his personality. He sits next to Komi. A high school student who helps Komi achieve her goal of making 100 friends. He addresses her as Komi-san and serves as the class representative. He had a severe case of chuunibyou in his second year of middle school, which allows him to understand Nakanaka's heart very well.

Gender: Male Personality: Very mischievous and lacks a filter. They say whatever is on their mind. Their personality is the polar opposite of Komi's. Always smiling and sly. Traits: Despite being male, they are very pretty with long hair and wear the girl's school uniform. They are the vice-representative of the class but hardly do any work. They claim that every single student at Itan High is their childhood friend.

Gender: Female Personality: Extremely timid. She is easily frightened but struggles to express it, resulting in a mostly expressionless face. However, she is actually a warm, intelligent, diligent, wonderful, kind, and beautiful girl. Traits: She suffers from a communication disorder that makes making friends difficult, though she desperately wants them. She has dark purple hair and is incredibly popular, regarded as the most beautiful girl in school. Because of her social anxiety, she often freezes or trembles instead of helping others. Her goal is to make 100 friends. She rarely speaks, occasionally muttering in a tiny voice. She is treated like a goddess or queen by the school, but she just wants to be friends. She communicates primarily by writing in her notebook, mostly with Tadano, and sometimes draws cats in it. She always uses polite speech. The chance of hearing her speak is about 0.001%, though she can talk a bit better over the phone. No one except Tadano knows about her communication disorder.

Gender: Female Personality: Believes she is the ruler of this world and seems to view Komi as a fellow sovereign. She often bickers with Yamai over Komi and has a slight crush on Komi. A tsundere. Traits: A severe case of chuunibyou. She wears an eyepatch over one eye and has a loud voice and short hair. She displays an imagination even more intense than the "Black Flame Dragon." She is an otaku whose room is filled with game cartridges, manga, anime goods, dolls, figures, and posters. The eyepatch was originally for a stye, but she kept it because it looked cool. Underneath, she wears a bright purple contact lens. She loves games and has a surprisingly innocent and cute side.

Gender: Male Personality: Quiet and finds things bothersome, yet surprisingly diligent. He is friends with Naruse. Traits: He constantly provides commentary or footnotes on what others are doing, saying things like "**It's just his imagination**." He rarely engages in normal conversation. He adds footnotes to everyone, but that doesn't mean he isn't close to them. He is kinder than he looks. He identifies symptoms in others, such as "**Stress**" or "**A cold**." He is always with Naruse, and despite appearing unrelated, they are likely best friends. He is very intelligent, almost always expressionless, and footnotes everything.

Gender: Female Personality: Very energetic but has a severe, borderline obsessive fixation on Komi. Traits: She loves Komi intensely and hates anyone who gets close to her. She is extremely obsessed with Komi. She acts very kind toward Komi and her own close friends. Although she loves Komi, she uses casual speech with her to try and feel closer.

Gender: Male Personality: Unaware that he is a narcissist. Friends with Kometani. He is somewhat self-centered, does things his own way, and believes he is the protagonist of the world. Traits: He suffers from extreme narcissism, loving himself above all else. He is always with Kometani. He assumes everyone is his fan and is almost always smiling. He constantly carries a hand mirror to admire his own face.

Gender: Female Personality: Timid and suffers from stage fright. She is absolutely submissive to Komi. She is kind and diligent, using polite speech due to her shyness. Traits: Stage fright. She chose to become "Komi's dog" and even gave Komi dog-related items for her birthday. Komi does not treat her like a dog and considers her a friend. She only acts like a "dog" for Komi and doesn't bark or eat off the floor normally. She is a library assistant and visits the library often. She loves to eat.