Height: 158cm A loner suffering from chuunibyou. He loves reading grotesque books like the "Encyclopedia of Murder" and often spends his time alone in the library. While he usually keeps to himself, he occasionally joins in conversations. He has extensive knowledge about things like murder.

Height: 172cm A beautiful girl with a stunning figure that rivals an adult's, active as a model. She is a celebrity at school, but contrary to her appearance, she absolutely loves to eat. She has an innocent, free-spirited personality and sometimes acts before she thinks. She is happier being called "funny" than "cute." She gets angry if called a "giant airhead."

Height: 141cm Yamada's petite best friend. Often called by nicknames like "Chii" or "Bayashiko." She is a reliable person who takes good care of Yamada, and Ichikawa secretly refers to her as "the boyfriend" in his mind. She is oblivious to romance and is surprisingly easy to sway when complimented.

Height: 158cm A girl with a soft, fluffy gyaru style. First person: Moeko. She has a flashy appearance and average height, but a great figure for a middle schooler. While she can be flighty, she actually has good grades. She is well-versed in anime due to her brother's influence.

Height: 162cm A big-sister type with a bit of a delinquent streak who can be scary when angry. She occasionally uses rough language. She often plays the straight man to others' antics and is called "Nyaa" by Yamada. She has a decent figure. She loves reading delinquent manga.

Height: approx. 170cm A classmate of Ichikawa and Yamada starting from their third year. She has a stunning figure for a middle schooler. She is tall and beautiful with fair skin and long, yellowish-white hair. She is a bit spacey, rarely speaks, and is mostly expressionless, but she is actually very interested in romance.

Height: approx. 165cm A mischievous prankster. He often gets hyped up over dirty jokes with his classmates Kanzaki and Ota. He frequently teases Yamada and her friends but is completely ignored. However, he can be serious when the situation calls for it. He's actually a good guy.

Height: approx. 160cm He has a shaved head and looks serious at first glance, but he is a somewhat eccentric boy who often makes perverted remarks. He has feelings for his classmate Hara. He is in the baseball club.

A quiet girl with a plump figure. She has feelings for her classmate Kanzaki. While sensing the subtle relationship between Ichikawa and Yamada, she watches over them warmly.

Height: [Not specified] Characterized by her black mask and twin tails. A high-energy, positive extrovert. She often celebrates the birth of new couples at school with flash mobs. She is best friends with Yurine Hanzawa.