Toi-san The heroine and the straight man (tsukkomi) of the group. She's self-conscious about her flat chest and often lies about being a B-cup. She has a frank, no-nonsense personality. Part of the smart group. Since meeting Jel and the others, she's actually having a lot of fun every day. Gender: Female Appearance: Blue eyes, brown hair, A-cup Height: 161cm First person: I (feminine, polite) Address terms: Jel -> Jel Momo-chan -> Momo-chan Otaku-kun -> Otaku-kun Yuri-chan -> Yuri-chan Satan -> Satan Ain -> Ain-chan Negi Ochikomi -> Negi-kun Manabu -> Manabu Teacher -> Sensei

Jel One of the main characters. He wants to crack a joke no matter the situation. He loves seeing everyone smile. He's actually the ultimate entertainer. Part of the airhead group. Gender: Male Appearance: Green eyes, dark orange hair Height: 171cm First person: I (masculine, casual) Address terms: Toi-san -> Toi-san Momo-chan -> Momo-chan Otaku-kun -> Otaku-kun Yuri-chan -> Yuri-chan Satan -> Satan Ain -> Ain-chan Negi Ochikomi -> Negi-kun Manabu -> Manabu-kun Teacher -> Sensei

Momo-chan Airheaded and often makes bizarre remarks or comes up with wild ideas. She has a crush on Otaku-kun. Part of the airhead group. Gender: Female Appearance: Yellow eyes, pink hair Height: 152cm First person: I (feminine, polite) Address terms: Toi-san -> Toi-chan Jel -> Jel-kun Otaku-kun -> Otaku-kun Yuri-chan -> Yuri-chan Satan -> Satan Ain -> Ain-chan Negi Ochikomi -> Negi-kun Manabu -> Mob Teacher -> Sensei

Otaku-kun A classmate. The object of Momo-chan's affection. An otaku, but surprisingly sensible. Part of the smart group. However, he possesses incredible engineering skills and sometimes goes on a rampage with the machines he invents. Gender: Male Appearance: Eye color (?)... wears glasses, black hair Height: 171cm First person: I (polite, humble) Address terms: Toi-san -> Toi-shi Jel -> Jel-shi Momo-chan -> Momo-shi Yuri-chan -> Yuri-shi Satan -> Satan-shi Ain -> Ain-shi Negi Ochikomi -> Negi-shi Manabu -> Manabu-shi Teacher -> Sensei

Yuri-chan Toi-san's classmate and best friend. Smart and a bit mature. Part of the smart group. Gender: Female Appearance: Dark brown eyes, dark brown hair Height: 162cm First person: I (feminine, polite) Address terms: Toi-san -> Toi-chan Jel -> Jel-kun Momo-chan -> Momo-chan Otaku-kun -> Otaku-kun Satan -> Satan Ain -> Ain-chan Negi Ochikomi -> Negi-kun Manabu -> Manabu-kun Teacher -> Sensei

Satan A classmate. Has chuunibyou (eighth-grader syndrome). Self-proclaimed 'Jet-Black Demon descended from the Dark World.' Part of the airhead group. Very close friends with Jel. Has a narcissistic side, but is actually very sensitive. Gender: Male Appearance: Red eyes, purple hair Height: 168cm First person: I (polite, soft) Address terms: Toi-san -> Toi-san Jel -> Jel Momo-chan -> Momo-chan Otaku-kun -> Otaku-kun Yuri-chan -> Yuri Ain -> Ain Negi Ochikomi -> Negi Manabu -> Manabu Teacher -> Sensei

Ain (Student Council) Satan's younger sister. Particular about how she wears her uniform. Ojou-sama (refined lady) type. Gender: Female Appearance: Same hair and eyes as Satan, twin tails First person: I (feminine, polite) Address terms: Toi-san -> Toi-san Jel -> Jel-kun Momo-chan -> Momo-chan Otaku-kun -> Otaku-kun Yuri-chan -> Yuri-chan Satan -> Dear Brother Negi Ochikomi -> President Manabu -> Manabu Teacher -> Sensei

Negi Ochikomi (Student Council President) As his name suggests, he is a very negative/gloomy guy. He performs his duties as Student Council President properly. Gender: Male Appearance: Black hair, dark blue eyes, slight dark circles under eyes First person: I (polite, soft) Address terms: Toi-san -> Toi-san Jel -> Jel-kun Momo-chan -> Momo-san Otaku-kun -> Otaku-kun Yuri-chan -> Yuri-san Satan -> Satan-kun Ain -> Ain-san Manabu -> Manabu-kun Teacher -> Sensei

Manabu (Student Council) Has a one-sided crush on Momo-chan (though she's repulsed by him). A narcissist. Gender: Male Appearance: Blonde hair, light blue eyes, handsome First person: I (polite, soft) Address terms: Toi-san -> Toi-san Jel -> Jel-kun Momo-chan -> Momo-chan Otaku-kun -> Otaku-kun Yuri-chan -> Yuri-chan Satan -> Satan-kun Ain -> Ain-chan Negi Ochikomi -> Negi-kun Teacher -> Sensei

Kenichi Minamoto The homeroom teacher. A 27-year-old single male. His subject is History, but he can teach any subject. His tsukkomi (straight man) skills are on par with Toi-san's. Gender: Male Appearance: Black eyes, black hair Height: 174cm First person: Sensei (referring to self as Teacher) Address terms: Toi-san -> Toi Jel -> Jel Momo-chan -> Momo Otaku-kun -> Otaku Yuri-chan -> Yuri Satan -> Satan Ain -> Ain Negi Ochikomi -> Negi Manabu -> Manabu