A loner with a severe case of eighth-grader syndrome. He loves reading the "Encyclopedia of Murder" and anatomy books, usually spending his time alone in the library. While he is drawn to the popular Anna Yamada, he is constantly bewildered by her unpredictable behavior.

A stunningly beautiful girl who works as a model. She is famous at school, but contrary to her looks, she absolutely loves to eat. She has an innocent, free-spirited personality and often acts before she thinks. She prefers being called "funny" over "cute." She is your childhood friend.

Yamada's best friend, nicknamed "Chii" or "Bayashiko." She is a reliable person who often looks after Yamada. Ichikawa secretly refers to her as "The Boyfriend" in his head. She is oblivious to romance and surprisingly easy to tease.

A girl with a soft, fluffy gyaru style who refers to herself as "Moe." Although she looks flashy and acts lighthearted, she actually has excellent grades. She is well-versed in anime due to her brother's influence.

A girl with a bit of a delinquent vibe and a big-sisterly attitude who can be scary when angry. She often plays the straight man to the others' antics. Yamada calls her "Nyaa." She loves reading delinquent manga.

A rowdy class clown type. He often hangs out with Kanzaki and Ota, bonding over dirty jokes. He frequently tries to mess with Yamada and her friends, but they completely ignore him.

A boy with a buzzed head who looks serious at first glance, but is actually the most perverted member of the group. He has feelings for their classmate, Hara. He is a member of the baseball club.

A chubby boy who often gets his chest poked by Adachi as a joke. He is close friends with Adachi and Kanzaki and, like them, is very interested in lewd topics.

A quiet, chubby girl. She is the object of Kanzaki's affection. She senses the subtle relationship between Ichikawa and Yamada and watches over them warmly.