Lonely Castle in the Mirror
“You don't have to be alone anymore.”
Shy outcast Kokoro has been avoiding school for weeks when she discovers a portal in her bedroom mirror. She reaches through and finds herself transported to an enchanting castle where she is joined by six other students. When a girl in a wolf mask explains that they have been invited to play a game, the teens must work together to uncover the mysterious connection that unites them. However, anyone who breaks the rules will be eaten by a wolf.
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Cast
27 people
Ami Touma
Kokoro Anzai (voice)
Known for
Demon City
Takumi Kitamura
Rion Mizumori (voice)
Known for
Yu Yu Hakusho
Hello World
Sakura Kiryu
Akiko 'Aki' Inoue (voice)
Known for
Weathering with You
Alice in Borderland
Rihito Itagaki
Subaru Nagahisa (voice)
Known for
Kamen Rider
The Promised Neverland
Naho Yokomizo
Fuka Hasegawa (voice)
Also in
Love You as the World Ends
Stepmom and Daughter Blues
Minami Takayama
Asu Masamune (voice)
Known for
Kiki's Delivery Service
One-Punch Man
Yuki Kaji
Haruka Ureshino (voice)
Known for
Attack on Titan
My Hero Academia
Aoi Miyazaki
Mrs. Kitajima (voice)
Known for
Wolf Children
The Boy and the Beast
Mana Ashida
Wolf Queen (voice)
Known for
Children of the Sea
Scarlet
Kumiko Aso
Kokoro's Mother (voice)
Known for
Pulse
Mirai
Akiko Yajima
Rion Mizumori (child) (voice)
Known for
InuYasha
Fairy Tail
Karen Miyama
Mio Mizumori (voice)
Known for
A Letter to Momo
FLCL
Keiichi Hara Director · Miho Maruo Screenplay Mizuki Tsujimura Author
United States release June 21, 2023 · Produced in Japan · Production A-1 Pictures, Poplar
Production
Shochiku
Production
A-1 Pictures
Production · Studio
Poplar
Production
Nippon Television Network Corporation
Production
Aniplex
Production
Yomiuri Telecasting Corporation
Production
Production I.G
Production
Chukyo TV Broadcasting Company
Production
Sapporo Television Broadcasting Company
Production
Miyagi Television Broadcasting
Production
Shizuoka Daiichi Television
Production
Hiroshima Telecasting
Production
Fukuoka Broadcasting System
Production
Japan
Produced in
Languages
Original title
かがみの孤城
Original language
Japanese
Spoken on screen
Japanese
Release dates
Japan · December 23, 2022
Theatrical
United States · June 21, 2023
Limited theatrical
United States · September 26, 2023
Digital
United States
March 11, 2023 · Premiere · New York International Children's Film Festival
September 26, 2023 · Physical
September 1, 2025 · Digital · HBO Max
American Samoa
August 31, 2025 · Digital · HBO Max
Australia
September 26, 2023 · Physical
Finland
November 10, 2023 · Theatrical
France
June 12, 2023 · Premiere · Annecy International Animation Film Festival
September 6, 2023 · Theatrical
Germany
June 9, 2024 · Theatrical
Guam
September 1, 2025 · Digital · HBO Max
Hong Kong SAR China
March 30, 2023 · Theatrical
Italy
September 11, 2023 · Limited theatrical
Japan
June 28, 2023 · Physical · Blu-ray & DVD
February 9, 2024 · TV · NTV
Macao SAR China
March 30, 2023 · Theatrical
Netherlands
February 2, 2023 · Premiere · International Film Festival Rotterdam
Northern Mariana Islands
September 1, 2025 · Digital · HBO Max
Poland
June 21, 2023 · Premiere · Festiwal Animator
Puerto Rico
September 26, 2023 · Digital
September 26, 2023 · Physical
September 1, 2025 · Digital · HBO Max
South Korea
April 12, 2023 · Theatrical
Sweden
January 12, 2024 · Theatrical
Switzerland
October 18, 2023 · Limited theatrical
Taiwan
March 31, 2023 · Theatrical
Thailand
October 19, 2023 · Theatrical
August 15, 2024 · Digital · Netflix
U.S. Virgin Islands
September 1, 2025 · Digital · HBO Max
United Kingdom
November 4, 2023 · Premiere · Scotland Loves Anime
February 3, 2024 · Limited theatrical · The Japan Foundation Touring Film Programme
November 4, 2024 · Physical · Blu-ray
Vietnam
June 30, 2023 · Theatrical
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Some details come from TheTVDB.