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The best-selling novel of Tsujimura Mizuki, who won the 2018 “Non-fictional Book Award”, “Lonely Castle in the Mirror”, which has a cumulative circulation of over 1.25 million, will receive an adaptation as the animated film. It will be released in the winter of 2022.

“Lonely Castle in the Mirror” won the highest number of votes in the history of the “Non-fictional Book Award” for 15 years and ranked first, as well as for the “King’s Brunch Award 2017” and “Da Vinci BOOK OF THE YEAR 2017”. It is a fantasy mystery that has won nine awards and is highly acclaimed in TV, newspapers, and other media.
It has been media-mixed in various contents, including the manga adaptation in 2019, audiobook, and stage in 2020, and continues to attract attention. This work, which is loved by many people and has cumulative sales of more than 1.25 million this year, will be released as a full-frame movie this year.

The main character is a middle school student, Kokoro, who couldn’t find her place in school and stayed at home. Suddenly one day, the mirror in the room began to shine, and the mirror sucked her in, showing a mysterious castle-like building ahead. Seven people with similar circumstances to Kokoro were gathered there.
A secret “key” is hidden inside the castle, and anyone who finds the key will be able to fulfill their wishes. Why were these seven people gathered together, and where is the key? When everything becomes clear, you will be surprised and touched…

This work is the highest purity fantasy mystery that realistically depicts the delicate emotions and sensibilities peculiar to adolescence. Expectations are rising for the birth of a new monument to youth movies that all generations, from children to adults, can sympathize with.

(C) 2022 “Lonely Castle in the Mirror” Production Committee