The original TV anime Grow Up Show: Himawari no Circus-dan is officially expanding into prose. KADOKAWA's Sneaker Bunko imprint has announced a novelization with Takeshi Kikuchi as the author and Kurehito Misaki handling the illustrations.
Both creators were already central to the television production. Kikuchi handled series composition and scripts, while Misaki created the anime's original character concepts. However, Sneaker Bunko has not yet revealed whether the novel will directly retell all 13 episodes, reinterpret the story from another perspective, or introduce additional material beyond the anime.
Quick Summary
- Anime: Grow Up Show: Himawari no Circus-dan
- Japanese title: グロウアップショウ ~ひまわりのサーカス団~
- Original format: original TV anime
- New development: novelization
- Novelization status: officially announced
- Imprint: KADOKAWA Sneaker Bunko
- Publisher: KADOKAWA
- Japanese announcement date: September 27, 2026 JST
- Announcement source: official Sneaker Bunko account
- Novel author: Takeshi Kikuchi
- Japanese name: 菊池たけし
- Kikuchi's anime role: series composition / scripts
- Novel illustrator: Kurehito Misaki
- Japanese name: 深崎暮人
- Misaki's anime role: original character concepts
- Official novel title: unannounced
- Release date: unannounced
- Price: unannounced
- ISBN: unannounced
- Page count: unannounced
- Number of volumes: unannounced
- Physical / digital formats: not yet detailed
- Final cover: not revealed
- Novel synopsis: unannounced
- Novel contents: not yet detailed
- Direct adaptation of the anime: not confirmed
- Additional original story material: not confirmed
- Preorders: not announced in the verified official sources
- Retailer bonuses: unannounced
- English edition: unannounced
- Anime premiere: July 4, 2026
- Final episode: Episode 13
- Episode 13 title: Motto Takaku / もっと高く
- TOKYO MX / BS11 final slot: September 26 at 24:00 JST
- Calendar date during broadcast: early September 27, 2026
- Episode count: 13
- Main protagonist: Mizuka Tsurumaki
- Main troupe: Himawari Circus
- Story objective: Circus Collection
- Anime original work: Circus Collection Association
- Director: Kanta Kamei
- Music: Yugo Kanno
- Animation production: A-1 Pictures / Psyde Kick Studio
- Story genre: youth drama / circus
- Setting: Japan modeled on the Showa 30s period
- Current status: awaiting full novel publication details
Grow Up Show Novelization Announcement

Sneaker Bunko Keeps Two Core Anime Creators on the Novel
The most notable part of the announcement is the creative team chosen to bring Grow Up Show into prose.
Takeshi Kikuchi is not an outside writer joining after the television series. He already helped shape the anime's narrative as its series composition lead and also worked on scripts.
That gives the novel an author who already understands the story structure, character relationships, the world surrounding Himawari Circus and the journey toward the Circus Collection.
On the illustration side, Kurehito Misaki is equally fundamental to the series' visual identity. Misaki created the original character concepts before those designs were adapted for animation by Kazutoshi Makino and the production team.
Having Misaki illustrate the novel therefore keeps its visual presentation closely connected to the anime's earliest character concepts.
For now, however, the promotional material confirms only the author and illustrator. The number of illustrations, whether new designs will appear and which characters will feature on the cover remain unannounced.
It Is Still Unclear How the Novel Will Adapt the 13-Episode Anime
Sneaker Bunko explicitly describes the project as a novelization, but it has not explained the adaptation structure in detail.
There is currently no confirmation that the book will simply retell Mizuka Tsurumaki's entire journey with Himawari Circus from Episode 1 through Episode 13.
Other possibilities—such as alternate character perspectives, restored scenes that did not appear in the anime, side stories, post-finale material or a restructured telling—have not been announced either.
The project should therefore not yet be described as a sequel or a continuation beyond the television ending.
All that has been officially confirmed is that Grow Up Show will be published as a Sneaker Bunko novel written by Kikuchi and illustrated by Misaki.
Even the book's final title has not been shown. The anime title may ultimately be retained, but it should not be treated as the confirmed novel title until Sneaker Bunko opens an official product page.
The Announcement Arrived Immediately After the Final Episode
The timing is also significant.
Episode 13, “もっと高く,” served as the television finale and entered its TOKYO MX and BS11 slot at 24:00 JST on September 26, placing the actual calendar time in the early hours of September 27, 2026.
Sneaker Bunko revealed the novelization shortly after that broadcast.
The book therefore represents one of the first major franchise developments announced after the TV story completed its primary run.
The anime began airing on July 4, 2026 and ran for 13 episodes. It follows Mizuka Tsurumaki, a highly gifted circus performer who becomes involved with the financially struggling Himawari Circus while its members pursue a place in the elite international Circus Collection.
This article avoids discussing the outcome of the Circus Collection or the developments of Episode 13 so the novelization announcement can be read without major ending spoilers.
Grow Up Show Was Built as an Original Anime
Unlike many seasonal anime adapted from manga or light novels, Grow Up Show began as an original television animation project.
The original work is credited to the Circus Collection Association, with Kanta Kamei directing, Takeshi Kikuchi handling series composition, Kurehito Misaki providing original character concepts and Yugo Kanno composing the music.
Animation production is handled by A-1 Pictures and Psyde Kick Studio.
Its setting is modeled on Japan around the Showa 30s, imagining a period in which circus entertainment is deeply integrated into popular culture.
Circus troupes travel across the country and compete for an opportunity to reach the Circus Collection, an elite global festival reserved for leading performers.
The central troupe is Himawari Circus, led by Maria. The arrival of Mizuka—a circus prodigy with a complicated relationship with the art itself—becomes the catalyst for major changes within the struggling company.
Because there was no pre-existing source novel, the Sneaker Bunko project will be the first official prose adaptation of the main Grow Up Show story.
The Franchise Already Has an Official Comic Anthology
The novelization is not the first expansion of Grow Up Show beyond animation.
On August 21, 2026, KADOKAWA released the Grow Up Show: Himawari no Circus-dan Official Comic Anthology through its MFC imprint.
The collection contains short stories focusing on relationships between members of Himawari Circus. KADOKAWA lists the physical edition as a 192-page B6 book with ISBN 9784046602732.
Its cover was illustrated by Bizen Yasunori, while multiple manga artists contributed 12 short works.
With Sneaker Bunko now preparing a novelization, the franchise has at least two distinct printed approaches: a comic anthology exploring character interactions through manga and a prose project created directly by Kikuchi and Misaki.
Whether the two publications share any specific continuity connection has not been announced.
Why This Matters
1) The novel is being written by the anime's story architect
Takeshi Kikuchi already understands the narrative foundations of Grow Up Show, meaning the prose adaptation remains directly connected to someone who shaped the TV series.
2) Kurehito Misaki returns to the characters visually
Misaki created the anime's original character concepts and will now directly illustrate the novel.
3) An original anime gains room to explore prose storytelling
With no pre-existing source novel, the new format could create space for internal narration, alternate perspectives and additional worldbuilding, although no extra material has yet been confirmed.
4) The announcement follows immediately after the finale
The novelization keeps the franchise moving after its 13-episode television run without prematurely implying an anime sequel or post-finale story that has not been announced.
Anime and Novelization Information
For now, the additional important information currently known includes:
- Grow Up Show: Himawari no Circus-dan is an original TV anime
- original work is credited to the Circus Collection Association
- the novel will be published through KADOKAWA Sneaker Bunko
- the novelization was announced through Sneaker Bunko's official account
- the exact announcement appeared after the anime finale
- Takeshi Kikuchi will write the novel
- Kikuchi also handled anime series composition
- official anime material also credits him on scripts
- Kurehito Misaki will illustrate the novel
- Misaki provided the anime's original character concepts
- animation character design is handled by Kazutoshi Makino
- Kanta Kamei directs the anime
- Yugo Kanno composed the music
- A-1 Pictures and Psyde Kick Studio handle animation production
- the anime began broadcasting on July 4, 2026
- the series consists of 13 episodes
- Episode 13 is titled “もっと高く”
- the finale entered its September 26 24:00 JST television slot
- that slot falls in the early hours of September 27 on the calendar
- the novel was announced after the final broadcast
- the novel's final title is unannounced
- no final book cover has been revealed
- the release date is unannounced
- pricing is unannounced
- the ISBN is unannounced
- page count is unannounced
- physical and digital formats have not been detailed
- the planned number of volumes is unknown
- no dedicated novel product page was listed on Sneaker Bunko when this article was verified
- preorders are unannounced
- retailer bonuses are unannounced
- a novel-specific synopsis is unannounced
- it is unknown whether all 13 anime episodes will be adapted
- additional scenes have not been confirmed
- post-anime story material has not been confirmed
- no English novel edition has been announced
- the anime centers on Mizuka Tsurumaki
- Mizuka becomes involved with Himawari Circus
- Himawari Circus is led by Maria
- the troupe continually faces financial difficulties
- its major goal is the Circus Collection
- the setting draws from Japan around the Showa 30s
- KADOKAWA has already published an official comic anthology
- the anthology launched on August 21, 2026
- the anthology contains 192 pages
- its ISBN is 9784046602732
- official information is available through the Grow Up Show Official Website
- anime updates are available through Grow Up Show Official X
- imprint information is available through the Sneaker Bunko Official Website
- publisher updates are available through Sneaker Bunko Official X
- the novelization announcement is available through the Sneaker Bunko Official X Post
- anime and staff information is available through the Aniplex Official Grow Up Show Page
- official comic anthology information is available through KADOKAWA
Closing
Grow Up Show is officially moving from original TV animation into prose with two members of the anime's core creative team remaining at the center: Takeshi Kikuchi as author and Kurehito Misaki as illustrator.
For now, the project remains at an early announcement stage. Its final title, release date, price, ISBN, number of volumes, story contents, cover, preorder details and whether it will contain material beyond the anime all remain pending further information from Sneaker Bunko.
- Sneaker Bunko Official X — Official Grow Up Show Novelization Announcement, Author, and Illustrator
- Sneaker Bunko — Official KADOKAWA Sneaker Bunko Website and Current Publication Catalogue
- Grow Up Show — Official Anime Website, Story, Staff, Cast, and Production Information
- Aniplex — Official Grow Up Show Series Overview, Broadcast, Staff, Streaming, and Product Information
- Grow Up Show — Official Japanese Broadcast and Streaming Schedule
- KADOKAWA — Official Grow Up Show Comic Anthology Release Date, ISBN, Page Count, and Product Information