Whoever Steals This Book Anime Film Reveals Cast, Staff, Visual and Theme Song

The film premieres on December 26 in Japan.

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Kadokawa has revealed new details about the anime film adaptation of Nowaki Fukamidori’s Whoever Steals This Book novel, including the cast, staff, a new visual and trailer, and the film’s theme song. The Whoever Steals This Book film opens in theaters on December 26 in Japan.

Whoever Steals This Book key visual
© 2025 深緑野分/KADOKAWA/「この本を盗む者は」製作委員会

Vocalist YUKI performs the Whoever Steals This Book theme song “Share.”

The cast includes:

  • Rin Kataoka as Mifuyu Mikura
  • Sora Tamaki as Mashiro
  • Nao Tōyama as Hirune Mikura
  • Junichi Suwabe as Ayumu Mikura
  • Shizuka Itō as Keiko Yosano
  • Shimba Tsuchiya as Takafumi Haruta
  • Romi Park as Tamaki Mikura

Daisei Fukuoka directs the anime at Kagome Company (Kagokan). Yasuhiro Nakanishi writes the script, and Michiru Ōshima composes the music. Keiko Kurosawa is the film’s animation director and the character designer. Further, Kagokan founder Yūji Higa is the animation producer, and Kadokawa Animation distributes the film.

Additional staff members include:

  • Color Key Artist: Eriko Murata, Tarō Kaguchi
  • CG Director: Kōji Ichikawa
  • 2D Design: Aya Kubota
  • Compositing Director of Photography: Yuichiro Tozawa
  • Editing: Kengo Shigemura
  • Sound Director: Fumiyuki Go
  • Animation Producer: Yūji Higa

Kadokawa first published the novel in 2020. Moreover, a manga adaptation by Kakeru Sora was serialized in Kadokawa’s Young Ace magazine from 2021 to 2023. Yen Press distributes both the novel and the manga in English.

Lastly, here’s an overview, via Yen Press:

Descended from a long line of book collectors, high school student Mifuyu is surrounded by books in every aspect of her life. Her great-grandfather established the famous Mikura Hall, a library in the heart of town, and even the townspeople are all avid readers. There’s just one problem—Mifuyu hates books!

But when a thief in Mikura Hall triggers an ancient curse, she’s left with no choice but to reclaim the stolen books herself…by entering the very stories she despises! With the help of the mysterious Mashiro, will she be able to restore her great-grandfather’s collection and save her town from a magical doom?

Soul Kiwami
Soul Kiwami
Raul Ochoa, a.k.a. Soul Kiwami, is the Managing Editor of Final Weapon with six years of writing/editing experience and a former News Writer at Game Rant. Raul is passionate about the Japanese gaming and anime/manga industries, and he's a huge fan of Nintendo Switch, PC hardware, JRPGs, and fighting games. business email: [email protected] | Muck Rack: https://muckrack.com/raul-landaverde-1

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