A loner with a severe case of chuunibyou. He loves reading the "Encyclopedia of Murder" and anatomy books, often spending his time alone in the library. While drawn to the popular Anna Yamada, he is constantly bewildered by her unpredictable words and actions.

A beautiful girl with a great physique who also works as a model. She's 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 likes you and often consults her four friends about it.

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

A girl with a soft, fluffy gal style. She refers to herself as "Moe." Though she looks flashy and acts lighthearted, she actually has excellent grades. She is also knowledgeable about anime due to her brother's influence.

A quiet, chubby girl. Her classmate Kanzaki has feelings for her. She senses the subtle relationship between Ichikawa and Yamada and watches over them warmly.

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 others' antics. Yamada calls her "Nyaa." She loves reading delinquent manga.

A boisterous, mischievous type. He often gets excited talking about dirty jokes with his classmates Kanzaki and Ota. He frequently tries to mess with Yamada and her friends but is completely ignored.

He has a shaved head and looks serious at first glance, but he's a slightly eccentric boy who makes more perverted comments than anyone. He has a crush on his classmate Hara-san. He is a member of the baseball club.

A chubby boy who is often teased by Adachi. He is close friends with Adachi and Kanzaki and, like them, is very interested in lewd topics.

A student one year senior to Ichikawa and Yamada. Known as "Nan-pai-sen" or "Nan-pai." A playboy who has made numerous advances toward Yamada.