__Height:__ 156 cm

Ayumu Kasuga is a transfer student from Osaka. [Tomo](https://anilist.co/character/181), expecting her to act like the stereotypical Osakan—loud, exuberant and fond of jokes—chose for her the nickname "Osaka", although Ayumu's behavior could not be more different. Ayumu considers the name "slow" and "spacey", but she lacks the energy or motivation to dispute it. The nickname sticks so well that she is called Osaka by teachers and even in the class roster, to the point that no one remembers her real name. In the manga, Osaka mentions that she lived in Kobe when she was in elementary school and was born in Wakayama. Tomo, who says she doesn't know where Wakayama is, tells Ayumu to "just be Osaka".

~!Despite the fact that her non sequiturs and tendency to nod off during lectures upset [Yukari](https://anilist.co/character/3094), she remains in Yukari's homeroom class all three years. Because of her poor performance on exams, she is a member of the "Bonkuras" (translated as "Knuckleheads" in the anime and "Numbnuts" in the manga). Her decision, on [Chiyo](https://anilist.co/character/247)'s advice, to seek a teaching career after graduation is viewed by Yukari as a deep personal insult. !~

Hello! This is Koiwai Yotsuba, Yotsuba Koiwai...um, YOTSUBA! Yotsuba moved with Daddy to a new house from our old house waaaaaaay over there! And moving's fun 'cos people wave! (Ohhhh!!) And Yotsuba met these nice people next door and made friends to play with (one of 'em acted like one of those bad strangers Daddy told Yotsuba not to go with, but it was okay in the end). I hope we get to play a lot. And eat ice cream! And-and-and...oh yeah! You should come play with Yotsuba too! 
(Source: Yen Press)
 
Notes: 
- Includes an interlude. 
- Won the Excellence Award for Manga at the Japan Media Arts Festival in 2006 and the Grand Prize of the 20th Osamu Tezuka Cultural Prize in 2016. 
- Was nominated for the Manga Taishō award in 2008 and for the 12th and 20th Osamu Tezuka Cultural Prize in 2008 and 2016. 
- Was nominated for the Eisner Award in the "Best Publication for Kids" category.

Ten year old child prodigy, Chiyo Mihama, is finding it tough fitting in at high school with the girls five years her elder: Osaka (dimwitted with a weird take on the world), Tomo (a powder keg that goes off at a moment’s notice), Kagura (the competitive athlete of the bunch), Yomi (the hothead), and Sakaki (timid and obsessed with a love of animals that isn’t reciprocated). Together with their teacher, they navigate the rough waters and fun times of high school. 
 
(Source: Sentai Filmworks)

__Alma Mater:__ Otemae Women's University

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It's not manga, it's Azumanga! &minus; smart, fun and totally addictive. Created by the iconoclastic Kiyohiko Azuma, Azumanga Daiou is strongly character driven, taking the reader through the daily tribulations of Miss Kurosawa, Miss Yukari, the wild Tomo, hair-triggered Yomi, ditzy Osaka, brash Kagura, cute Chiyo-chan and athletic (but girly) Sakaki. 
(Source: ADV) 
Notes: 
- A great number of chapters are divided into several parts that have been included in the final chapter count. 
- Includes five extra chapters.

In this short movie featuring familiar characters from Azumanga Daiou, Osaka is yet again having a strange dream of Chiyo-Chan's pigtails being posessed. As Chiyo-Chan's pigtails bounce out of the window, who knows if young Chiyo will ever be happy again.
 
(Source: Anime News Network)

Chiyo brings a video camera to school for a class project. But when Tomo gets a hold of it, heaps of trouble happen all over campus.
 
(Source: Anime News Network)

__Non-Anime Roles:__
~!- Shenhe - Genshin Impact (VG)
- Sugar - Goddess of Victory: Nikke (VG)
- Nayuta - Goddess of Victory: Nikke (VG)
- Dikke - Reverse: 1999 (VG)
- Bianca - Punishing: Gray Raven (VG)
- Lion Ushiromiya - Umineko: When They Cry (VG)!~

Azumanga Daiou: Hoshuu-hen is additional chapters for the reprint edition of the manga series Azumanga Daioh. Each chapter covers one year of high school and is included in a relevant volume.