Enchanting Anime 'Whoever Steals This Book' Unveils New Trailers and Expands Star-Studded Voice Cast

Anticipation for the upcoming anime film Whoever Steals This Book has increased with the release of new trailers and the announcement of five additional voice cast members. Based on the acclaimed novel by Nowaki Fukamidori, this cinematic adaptation is scheduled to premiere in Japan on December 26, 2025.

The latest additions to the cast include Shigeru Chiba as Junichirō Kaname, Ryota Suzuki as Tanbi Che, Reina Ueda as Natsume Harada, Tomokazu Seki as Osamu Kikuchida, and Rie Takahashi as Shiori Haruta. These talented performers join an already impressive ensemble, featuring Rin Kataoka as the central protagonist Mifuyu Mikura, Sora Tamaki as Mashiro, Nao Toyama as Hirune Mikura, Junichi Suwabe as Ayumu Mikura, Shizuka Itō as Keiko Yosano, Shinba Tsuchiya as Takafumi Haruta, and Romi Park as Tamaki Mikura. The expanded cast aims to provide a rich and dynamic vocal performance for the film's intricate narrative.

Behind the scenes, the creative vision is spearheaded by director Daiki Fukuoka, with Yasuhiro Nakanishi meticulously crafting the script, and Keiko Kurosawa lending her artistic talent to the character designs. Further enhancing the film's atmosphere is the theme song, Share, beautifully performed by the celebrated vocalist YUKI.

The story plunges viewers into a world where reality and fiction intertwine, centered around high school student Mifuyu Mikura. Her life takes an extraordinary turn when a thief pilfers books from her family's ancestral library, inadvertently unleashing an ancient curse. This mystical event transforms their quiet town into a vibrant tapestry of various story worlds. Guided by the enigmatic Mashiro, Mifuyu must embark on a perilous adventure, navigating these fantastical realms to apprehend the culprit, unravel the curse's mysteries, and ultimately restore balance to her transformed world. Fans are eagerly awaiting this unique blend of fantasy, mystery, and adventure, promising a truly unforgettable cinematic experience.