Good news for anime fans. The long-awaited film adaptation of the novel Whoever Steals This Book He has surprised everyone with an unexpected turn. Although initially it was thought that its premiere would be in 2026, it has been confirmed that the film It will arrive much earlier than expected. This surprising announcement did not take long to ignite the emotion among the followers of the work, generating a great wave of expectations about what awaits us in this mysterious and fantastic story.
Whoever Steals This book surprises with a preview for December

This Thursday, July 31, the distributor Kadokawa Surprised fans by revealing that the anime movie whoever steals this book, Based on the novel written by nowaki fukamidori, advanced its release date for December of this same year. The news took many by surprise; This is because on June 3 it had been announced that the film would make its debut until 2026.
This update has ignited the enthusiasm of the followers of the work, who will now be able to enjoy it much earlier than expected. The project already has a Official website and one account in x, where it is expected Share more news in the coming months. In addition, the film has already presented its first advance, offering a look at the visual style that awaits in this film adaptation.

The production of the film is made up of:
Kagokan produces the film, while Kadokawa Animation is in charge of its distribution. Daisei Fukuoka, known for his work in radiant, Lead the project. The script signs Yasuhiro Nakanishi, screenwriter of Kaguya-sama: Love Is War. Keiko Kurosawa, who was in charge of the design Astra Lost in Space, Lead both character design and animation direction. For his part, Michiru Oshima, recognized by the soundtrack of fullmetal alchemist, compose the music.
Additional data:
- The novel Whoever Steals This Book It was first published in 2020 by Kadokawa.
- in 2021 An adaptation to the manga illustrated by Kakeru Sora, published in the magazine Young Ace.
- In 2023 A derivative novel entitled Kūsō no umi, that expands the original universe of history.
With this unexpected advance, Whoever Steals This Book It is positioned as one of the most anticipated premieres at the end of the year. The combination of a top-notch creative team and a story that has grown over the years in different formats, promises a cinematographic experience that will captivate both the followers of the original work and new viewers.

Whoever Steals This Book has the following description:
Mifuyu is a high school student who lives surrounded by a huge collection of books inherited from her great-grandfather. The collection is in an old library known as Mikura Hall. Although her family has cared for that legacy with devotion, she has never felt a special connection with books. However, everything changes when some volumes mysteriously disappear and an old curse is activated. The people are transformed according to the stories of the stolen books. To restore order, Mifuyu will have to catch the thief with the help of Mashiro. Mashiro is an enigmatic girl who will guide her through fantastic worlds inspired by every story.
©2026 . 深緑野分/Kadokawa/「この本を盗む者は」製作委員会