The highly anticipated anime film adaptation of Nowaki Fukamidori’s fantasy novel, “Whoever Steals This Book” (Kono Hon o Nusumu Mono wa), has released a special music video. The video prominently features the film’s theme song, “Share,” performed by the acclaimed vocalist YUKI, formerly of the band Judy and Mary. This release builds excitement for the movie, which is set to premiere in Japanese theaters on December 26, 2025.
Immerse in the World of “Whoever Steals This Book”
The newly released music video offers fans a deeper look into the fantastical world of “Whoever Steals This Book.” It combines captivating animation from the film with the evocative melodies of YUKI’s theme song, providing a sneak peek into the adventure that awaits viewers. The video serves as a compelling promotional tool, highlighting the film’s unique visual style and narrative themes.
The Enchanting Theme Song: “Share” by YUKI
YUKI, known for her distinctive voice and energetic performances, delivers the film’s theme song, “Share.” The song is poised to set the emotional tone for the magical journey undertaken by the protagonists. YUKI’s involvement adds a significant musical highlight to the film, appealing to her established fanbase and new listeners alike.
About the “Whoever Steals This Book” Anime Film
The anime film is an adaptation of Nowaki Fukamidori’s fantasy novel, originally published by Kadokawa Shoten in October 2020. A manga adaptation, illustrated by Kakeru Sora, was serialized from December 2021 to March 2023.
The Intriguing Plot
The story centers on Mifuyu, a high school student who lives in Mikura Hall, a vast library established by her great-grandfather. Despite her family’s passion, Mifuyu herself isn’t fond of reading. However, when several books are stolen from the library, it triggers an ancient curse that transforms the entire town according to the various stories within the books. To reverse the curse and save her town, Mifuyu must team up with a mysterious girl named Mashiro and embark on an adventure through different story worlds to find the book thief.
Key Production Details and Staff
The film is produced by Kagokan and directed by Daisei Fukuoka, known for his work on the “Radiant” series. The screenplay is written by Yasuhiro Nakanishi, with character designs by Keiko Kurosawa and music composed by Michiru Ōshima. Rin Kataoka and Sora Tamaki make their voice acting debuts as Mifuyu Mikura and Mashiro, respectively, supported by an experienced cast including Nao Toyama, Junichi Suwabe, and Romi Park. The film’s distribution is handled by Kadokawa Animation.
The “Whoever Steals This Book” anime film is set to captivate audiences with its unique premise, talented voice cast, and a compelling soundtrack featuring YUKI’s “Share.” Fans can look forward to its theatrical release on December 26, 2025.







