Demon Slayer Infinity Castle is one of the most anticipated anime films of 2025. The movie adapts the “Infinity Castle” arc from Demon Slayer: Kimetsu no Yaiba, a manga by Koyoharu Gotouge, which serves as the climax of Tanjiro Kamado and his friends’ battle against Muzan Kibutsuji. Presented as a trilogy, the first part, titled Akaza Returns, broke box office records in Japan and is set to premiere in Indonesia in August 2025.

Demon Slayer 2025 Film

Demon Slayer: Kimetsu no Yaiba – The Movie: Infinity Castle is directed by Haruo Sotozaki and produced by Ufotable. Unlike Swordsmith Village and Hashira Training, which were compilation films, Infinity Castle is produced as a full-length theatrical adaptation due to its dense storytelling and dramatic content, similar to Mugen Train.

The first part, Akaza Returns, was released in Japan on July 18, 2025, by Aniplex and Toho. It continues the story right after the end of the anime’s fourth season, showcasing intense battles inside Muzan’s dimensional fortress. In its first three days, the film grossed over ¥5.5 billion, breaking the record for the highest opening in Japanese box office history.

Indonesia Release Date
Following its massive success in Japan, Demon Slayer Infinity Castle – Part 1: Akaza Returns will be released internationally by Sony Pictures Releasing International through Crunchyroll. In Indonesia, the official release date is set for August 15, 2025.

The film will be screened in major cinema chains, including CGV, Cinema XXI, and IMAX Indonesia. Given its popularity, advance ticket sales are likely to open early to meet high audience demand.

Demon Slayer Cast
The original Japanese voice cast returning for this film includes:

• Tanjiro Kamado: Natsuki Hanae

• Nezuko Kamado: Akari Kitō

• Zenitsu Agatsuma: Hiro Shimono

• Inosuke Hashibira: Yoshitsugu Matsuoka

• Kanao Tsuyuri: Reina Ueda

• Giyu Tomioka: Takahiro Sakurai

• Shinobu Kocho: Saori Hayami

• Akaza: Akira Ishida

For the English dub, notable actors join the lineup, including Zach Aguilar as Tanjiro and Channing Tatum voicing the character Keizo. Veteran voice actors such as Kana Hanazawa (Mitsuri Kanroji) and Tomokazu Sugita (Gyomei Himejima) also add to the star power.

Demon Slayer Series
Since its debut, Demon Slayer has achieved global popularity thanks to its high-quality animation, emotional music, and action-packed storytelling. The series began as a manga published from 2016 to 2020, then was adapted into an anime spanning several seasons and films:

• Demon Slayer: Mugen Train (2020) – became the highest-grossing anime film of all time.

• Demon Slayer: To the Swordsmith Village (2023).

• Demon Slayer: To the Hashira Training (2024).

Infinity Castle marks the final chapter, split into three films. After Akaza Returns, the next two parts will continue the battles inside the endless fortress, leading to the climactic showdown against Muzan.

Where to Watch
In Indonesia, Demon Slayer Infinity Castle will be available in major cinema chains, including:

• CGV Cinemas

• Cinema XXI

• IMAX Indonesia

For viewers seeking the ultimate experience, the IMAX format will showcase Ufotable’s stunning animation in maximum detail.

Synopsis – Demon Slayer Infinity Castle: Part 1 – Akaza Returns
The story begins as Muzan Kibutsuji hides within the Infinity Castle, a dimensional fortress that traps Tanjiro and the Demon Slayer Corps inside. Separated from one another, they face off against the Upper Rank demons.

Shinobu Kocho confronts Doma, the demon who killed her sister. Despite using poison, Shinobu is killed and devoured by Doma. Kanao Tsuyuri, Shinobu’s adoptive sister, arrives too late but continues the battle.

Zenitsu Agatsuma faces his former senior, Kaigaku, now a demon. Using the Seventh Form of Thunder Breathing, Zenitsu defeats him but collapses afterward.

The main highlight of this part is the battle between Tanjiro and Giyu Tomioka against Akaza. With the Transparent World and Selfless State techniques, Tanjiro severs Akaza’s head. Before he can regenerate, Akaza chooses to destroy himself after recalling his human past.

This victory shakes the demon ranks, prompting Muzan to prepare his final move.

With breathtaking animation, music by Yuki Kajiura and Go Shiina, and an emotional storyline, Demon Slayer Infinity Castle is set to be one of the biggest anime films of the year. For fans in Indonesia, August 15, 2025, will be a key date to witness the continuation of Tanjiro’s journey on the big screen.

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