Major characters

Yoshiko Hanabatake (花畑 よしこ, Hanabatake Yoshiko)

Voiced by: Aoi Yūki (Japanese)^[5]

The title character of the story is a mischievous, cheerful high school girl who is stupid both academically and socially. She even gets zeroes on multiple choice tests.^{Ch. 1} However what she lacks intellectual capacity she makes up with spunk, ridiculous audacity and abundant energy when it comes to what she wants. She has light brown hair styled in long twin tails. She frequently hangs out with her neighbor, childhood best friend and classmate Akuru much to his annoyance. Her favorite food is bananas.^{Ch. 9} She fails to realize when people are annoyed at her, often mistaking it as a person's desire to play or become her friend.

Akuru Akutsu (阿久津 明, Akutsu Akuru)

Voiced by: Tomokazu Sugita,^[5] Makoto Koichi (young) (Japanese)

Akuru is a smart, reclusive and serious high school student who is constantly annoyed by Yoshiko's antics. The reason he and Yoshiko are classmates is because he chose to attend a local high school as the really academic schools were too far away for him to study properly. He scolds Yoshiko for her idiotic behavior, even resorting to punches.^{Ch. 1} He prefers to study, and does not have a girlfriend or any friends besides Yoshiko, although Sayaka agrees to be his friend out of pity, even though he has no desire to obtain more friends.^{Ch. 3} A recurring gag is that he is never able to get a perfect score on any exam, always falling a few marks short.^Ep.7

Sayaka Sumino (隅野 さやか, Sumino Sayaka)

Voiced by: Sayaka Harada (Japanese)^[5]

Akuru and Yoshiko's classmate who ends up becoming friends with the two. She has blond hair that goes over her shoulders and wears her school uniform with white knee socks. She too is level-headed and assumes the straight-man role,^{Ch. 2} often moderating interactions between Yoshiko and others.^{Ch. 56, 66} She is kind and worries about being boring.^{Vol. 2 profiles} She is very sensitive, especially when others point out her small chest, which appears slightly small, even after she pads it. She sometimes loses her patience.^{Ch. 3, 22, 66}

Fuki Iincho^[6][7] (風紀委員長, Fūki Iinchō, lit. "morals chairman", manga: Head Monitor,^{Vol. 2 profile} anime: Disciplinary Committee President^{Ep. 1})

Voiced by: Sumire Uesaka (Japanese)^[5]

A high school upperclassman who is in charge of morals at the school. She has long dark hair. She cannot stand Yoshiko's idiocy. When Akuru starts complimenting her by accident, saying unintentionally princely things like "If (Yoshiko) gives you any more trouble let me know." and "She's a hundred times more attractive than (Yoshiko)", she develops a major crush on Akuru.^{Ch. 5} She starts stalking him, and often has lewd fantasies about him.^{Ch. 7, 11, 16, 25} Yoshiko considers her a love rival because of her breast size.^{Ch. 5} In many instances she tries to reach out to Akuru but her interactions give her a reputation of being just as weird, even though she is initially unaware of that, but with Sayaka's help she eventually discovers her true nature and tries to mend her ways but with little result.^{Ch. 7, 32-33, 53} She is fairly smart academically, placing in the top 5 of her class,^{Ch. 73} but later requests to repeat a grade so that she can be in the same school year as Akuru.^{Ch. 96}

Supporting characters

Yoshie Hanabatake (花畑 よしえ, Hanabatake Yoshie)

Voiced by: Yoko Hikasa(Japanese)|Lisa Ortiz}} (English)

^[5]

Yoshiko's mother who is constantly worrying about her daughter, but brightens up to the fact that Akuru pays attention to her and secretly hopes he and Yoshiko can marry, keeping it a secret out of fear of how Akuru would react.^{Ch. 2} She hatches several schemes to have Yoshiko flirt with Akuru but they often backfire.^{Ch. 8} At first she perceives Sayaka to be a threat to marry Akuru but after checking her panties are that of a child, she deems her safe,^{Ch. 14} but finds the Chairwoman to be a far more serious threat.^{Ch. 43} She is shown to be somewhat psychotic, given her drastic methods and the obscene nature of her schemes. ^{Ep. 3 Ep. 5 Ep. 10}

Ryuuichi Kurosaki (黒崎 龍一, Kurosaki Ryūichi)

Voiced by: Taku Yashiro^[8]

A delinquent guy whom Yoshiko interacts with, he becomes Yoshiko's disciple, calling her anego (アネゴ, "big sister").^{Ch. 4, 6} He tries to become friends with Akuru but fails because of his shyness, and ends up acting more like his underling.^{Ch. 29} While he may seem stupid, Ryuuichi has proven himself to be very smart as he once stayed home and studied even placing higher than Akuru who was shocked that Ryuuichi was skilled in academics.

Ruri Akutsu (阿久津 瑠璃, Akutsu Ruri)

Voiced by: Sayaka Senbongi (Japanese) |Alejandra Reynoso}} (English)

^[8]

Akuru's little sister who is in the fifth grade. She is worried she will become an idiot like Yoshiko as she struggles academically,^{Ch. 10} and that even her brother tells her to give up - even giving her a guidebook on how to get through life without a degree as a birthday present. She admires Sayaka because she helps tutor her a little bit.^{Ch. 18}

Playground kids

Voiced by: Shiori Izawa

Voiced by: Yuka Iguchi

Voiced by: Rena Maeda

Two boys (Mamoru and Tadashi)^{[episode needed]} and a girl (Nozomi (希)) whom Yoshiko meets at the playground. They are concerned about Yoshiko's desires to just play all day and not study. Nozomi is kind to others and especially gullible to Yoshiko and her teachings.^{Ch. 12, 17, 27}

Atsuko Oshieda (押枝 あつこ, Oshieda Atsuko)

Voiced by: Rina Satō^[8]

Yoshiko's homeroom teacher. She tries to teach Yoshiko but with not much luck. She becomes painfully aware of her singleness because of Yoshiko.^{Ch. 15, 21, 28} She loves Yoshio (Yoshiko in disguise).

Dog (犬, Inu)

Voiced by: Daisuke Namikawa^[5]

A big dog that Yoshiko takes a liking to and would like to ride like a horse.^{Ch. 17, 24} Akuru likes him too as he seems to understand his feelings.^{Ch. 48}

Rinko Inui (乾 凛子, Inui Rinko)

A second-year student who takes a liking to Yoshiko and treats her like a dog, even with commands like sit and stay. Her facial expression is difficult to read.^{Ch. 31, 35}

Akane Eimura (栄村 茜, Eimura Akane)

Voiced by: M·A·O^[8]

The leader of a trio of gyaru classmates whom Yoshiko starts interacting with later in the series. They do not really like her, but they are just as dumb as Yoshiko in school.^{Ch. 57, 58} Akane has red hair and is the most antagonistic of the three against Yoshiko.^{Ch. 151}. However, she tends to listen and participate in Yoshiko's schemes, and is sometimes unwillingly manipulated by her. She dislikes Akuru, who calls her ugly. She also wants to be more popular and have a boyfriend.^{Ch. 62, 66, 75}

Kii Hiiragi (柊 姫衣, Hīragi Kii) .

Voiced by: Rena Maeda^[8]

The second of the gyaru trio classmates.^{Ch. 57, 58} She has short blond hair and usually has an indifferent facial expression to people and romance.^{Ch. 97, 151}

Kuroko Shiina (椎名 黒子, Shīna Kuroko)

Voiced by: Yuka Iguchi^[8]

The third of the gyaru classmates.^{Ch. 57, 58} She has long dark hair.^{Ch. 81, 97, 151} She is only one of the three who has a boyfriend (Toshi), although she is extremely shy about it.^{Ch. 57, 58, 81}

Manga

The manga was serialized in Kodansha's Weekly Shōnen Magazine starting on November 28, 2012.^[2] A crossover one-shot with Love Hina was released on August 27, 2014.^[9] Starting with the July 2015 issue, Aho-Girl was moved to Bessatsu Shōnen Magazine.^[3][10] The manga ended serialization in December 2017.^[11]

Kodansha Comics has licensed the manga series in English.^[12] The English manga cover presents the title as a dictionary definition.^[13]

Anime

An anime adaptation produced by Diomedéa aired under the title Aho-Girl: Clueless Girl from July 4, 2017^[35][36] to September 19, 2017. Keizou Kusakawa served as the chief director, with Shingo Tamaki also as a director, and Takashi Aoshima as the script writer.^[37] The episodes are 15 minutes long.^[5] The show was broadcast on Tokyo MX, Sun TV, and BS11.^[38] Crunchyroll simulcasted the series in multiple regions.^[39]

The opening theme is "Zenryoku☆Summer!" (全力☆Summer!, "Full Power☆Summer!") and it is performed by Angela.^[40] It was released as a single on July 5, 2017.^[36] The ending theme is "Odore! Kyūkyoku Tetsugaku" (踊れ!きゅーきょく哲学) and it is performed by Sumire Uesaka, who also voices the Disciplinary Committee President.^[5][38]