Whoever Steals This Book Reveals Main Trailer - The Whoever Steals This Book (Kono Hon o Nusumu Mono wa) anime film has received a main trailer and main visual. The new previews of the fantasy adventure were accompanied by the announcement of YUKI‘s “Share” as the theme song (heard in the new trailer) as well as Rin Kataoka and Sora Tamaki‘s castings as lead characters Mifuyu and Mashiro, respectively.
Whoever Steals This Book is set to premiere on December 26, 2025 JST, following a bump up from its earlier 2026 release date. It’s based on the KADOKAWA-published book from Nowaki Fukamidori, which sees the book-disliking high school girl Mifuyu trying to save her town after a theft activates a curse that plunges the place into the world of fiction.
Synopsis
Mifuyu is a high school student living with a large collection of books left by her great-grandfather the vast library known as Mikura Hall. Although her father is the current caretaker, Mifuyu herself doesn’t share her family’s passion for literature. But when several books are stolen from the library, triggering an ancient curse, the town is transformed according to the stories within them and the only way to put things right is for Mifuyu to catch the thief. With the help of a mysterious girl named Mashiro, Mifuyu sets out on an adventure through the different stories!
