Cinderella Nine

Hachigatsu no Cinderella Nine

Company type	Video game
Industry	Mobile gaming, Anime, Manga, Novels
Founded	June 27, 2017 (2017-06-27)
Founder	Akatsuki, Kadokawa
Defunct	December 17, 2024 (2024-12-17)
Headquarters	Japan
Area served	Japan
Products	Mobile game, manga, novel, anime television series, original net animation
Owner	Akatsuki, Kadokawa
Website	hachinai.jp

is a Japanese free-to-play mobile title available on both iOS and Android, developed and published by Akatsuki alongside Kadokawa. The game debuted in Japan on June 27, 2017, with plans to cease operations on December 17, 2024. A comedic four-panel manga spin-off by Bkub Okawa, titled , as well as a novel adaptation, have been serialized on the official game website. Furthermore, a four-episode original net animation based on the manga, , was streamed between May and June 2017. An anime television series produced by TMS Entertainment aired from April 7 to July 7, 2019.

Characters

Tsubasa serves as the upbeat founder of the girls' baseball team, focused on recruiting new members. In the anime adaptation, she plays shortstop, bats and throws right-handed, and wears jersey number 6.

An experienced competitor aiming for a professional career who initially declines joining due to the team's inexperience. She occupies third base, bats and throws right-handed, and sports number 5.

A tall and initially hesitant player who decides to join after witnessing the team's camaraderie. She plays first base and relief pitcher, bats and throws left-handed, donning number 3.

Tsubasa's pragmatic best friend acting as backup infielder and first base coach. She bats and throws right-handed and wears number 10.

A reserved girl who rapidly improves despite limited initial skills. She functions as backup outfielder and third base coach, batting left-handed and throwing right-handed while wearing number 11.

A tactically minded catcher from a supportive baseball family background. She bats and throws right-handed, wearing jersey number 2.

An aspiring reporter determined to cover the team’s activities. She plays center field, bats and throws left-handed, with jersey number 8.

A passionate second-year student transitioning from cheerleading to play left field. She bats left-handed, throws right-handed, and wears number 7.

A meticulous second-year player who starts at third base before moving to second base. She bats and throws right-handed and sports number 4.

A quiet second-year standout athlete excelling in pitching and other sports. When not pitching, she covers first base. She bats and throws right-handed, wearing number 1.

Member of the student council responsible for athletics oversight and starting as right fielder. She bats and throws right-handed with jersey number 9.

A reserved girl with occasional interactions involving the team.

An original character created for the anime who serves as student council president.

A faculty member at Satogahama High School acting as the team’s advisor.

Game

The mobile game was launched on June 27, 2017 for iOS and Android, published by Akatsuki in collaboration with Kadokawa. An animated promotional video produced by A-1 Pictures premiered on July 31, 2016. The title follows a free-to-play business model.

Manga

The official website hosts a four-panel comedic spin-off manga by Bkub Okawa titled Hachi Nai Gaiden: Senryoku Gai! Katato-chan, alongside a novelization; seventy-two chapters had been published by November 2019. Another spin-off series called Hachigatsu no Cinderella Nine S, created by Kōichirō Hoshino as both writer and illustrator, began serialization in Akita Shoten's Weekly Shōnen Champion magazine on August 19, 2021. It later moved to the Manga Cross online platform in March 2022 and is scheduled to conclude with its fifth volume release on August 8, 2023.

Novel

The official website hosts a novelization called Hachigatsu no Cinderella Nine: Before Summer, which runs alongside the four-panel manga series. Up to now, twelve installments have been published.

Web animation

A short original net animation based on the four-panel manga, titled Katato the Animation, was available for streaming on both the game's official website and its YouTube channel between May and June 2017. This adaptation consists of four brief episodes, with voice acting provided by Mako Morino.

Anime

An anime TV series adaptation was announced via the game’s official Twitter account on July 30, 2018. Further information regarding staff and release dates was disclosed on October 25, 2018. The series was directed by Susumu Kudo and produced by TMS Entertainment, featuring scripts written by Jin Tanaka and character designs by Takayuki Noguchi. The voice cast reprised their roles from the game. The anime aired from April 7 through July 7, 2019, on TV Tokyo and other networks. Notably, the broadcast of episode 8 was postponed by three weeks due to coverage of the 2019 French Open. Service for the game is scheduled to conclude on December 17, 2024, after which a limited offline version will be made available.

The opening theme song "Etude" was performed by Mewhan, while the ending theme is a rendition of Noriyuki Makihara’s "Donna Toki mo," sung by voice actresses Nozomi Nishida, Reina Kondō, Saki Minami, and Honoka Inoue in character. Crunchyroll provided streaming access to the series, and Sentai Filmworks secured licensing rights in December 2019 for distribution throughout the Americas, Europe, and Oceania.

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No.	Title	Original air date

External links

• Official website of Sentai Filmworks