Demon Slayer: Infinity Castle officially set its release date, causing the global fan community to explode with emotion. Are you ready to welcome the movie that opens the biggest battle in the history of Demon Slayer?
Surprise trailer for the return of Demon Slayer
After Demon Slayer: Mugen Train was re-aired on national television channel Fuji TV over the weekend, a special gift was sent to fans: the full trailer for the first part of the Demon Slayer: Infinity Castle trilogy was officially released. This news immediately became a hot topic on anime forums, making fans worldwide extremely excited.
The most notable point in the trailer is not only the epic, cinematic scenes, but also the information surrounding the famous soundtrack and the return of one of the most beloved villains: Akaza.
Check out the Demon Slayer models at Hobiverse:
Saint Seiya POP MART Character Model Toys
Demon Slayer: Kimetsu No Yaiba WCF Vol 2 Kn Figure Toy BANPRESTO HBP-17456
Demon Slayer: Kimetsu No Yaiba WCF Vol 1 Figure Toy BANPRESTO HBP-17992
Akaza Returns – The Battle in Infinity Fortress Begins
The new trailer has revealed the official title of the opening film: Demon Slayer: Kimetsu no Yaiba Infinity Castle – Akaza Sairai (tentative translation: Infinite Castle Battle – Akaza's Return). This is the beginning of a series of decisive battles between the Pillars and the Twelve Demon Moons in the heart of the Infinity Castle, where all the rules are broken.
The return of Akaza – Upper Moon Three, promises to bring a fiery battle with Tanjiro's group. This rematch is not only to rekindle the pain, but also opens up many deep inner details, pushing the viewer's emotions to the climax.

Demon Slayer: Infinity Castle with the return of Upper Moon Three
Aimer and LiSA – The “divine” duet that rocked the screen
In the trailer for Demon Slayer: Infinity Castle, two famous J-pop singers Aimer and LiSA are confirmed to be singing the two theme songs of the movie. Accordingly:
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Aimer performs the song “Taiyō ga Noboranai Sekai” (The World Where the Sun Does Not Rise).
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LiSA performs the song “Zankoku no Yoru ni Kagayake” (Shine in the Cruel Night).
Both songs will be released simultaneously worldwide on July 18, the same day the first part of Demon Slayer: Infinity Castle officially premieres in Japan. With Aimer's soulful vocals and LiSA's emotional explosion, the duo promises to immerse audiences in every moment.
Biggest release ever
According to the official announcement from the producer, Demon Slayer: Infinity Castle will be shown in 443 theaters in Japan, including IMAX screenings, an unprecedented record number for this brand.
Not stopping at the domestic market, Aniplex, Crunchyroll and Sony Pictures Entertainment aim to bring the film to more than 150 countries and territories. This is a big step, demonstrating the strong influence of Demon Slayer in the global anime market. In addition to IMAX, the film will also be shown in other premium large-screen formats to ensure the most complete cinematic experience.

Demon Slayer: Infinity Castle opens in a record 443 theaters in Japan
Old production team – Quality maintained
The familiar names that accompany fans through each season are still there: Haruo Sotozaki continues to sit in the director's chair and studio ufotable continues to be responsible for animation production and scriptwriting. This is a guarantee of eye-catching image quality, dramatic rhythm and emotional depth, the elements that have made the brand of Demon Slayer: Infinity Castle in particular and Kimetsu no Yaiba in general.
See also:
- 4 best battles in Demon Slayer: Muzan Kibutsuji's Infinity Fortress
- Summary of 8 Upper Moon Demons in Kimetsu no Yaiba
More than just a simple action-fantasy movie, Demon Slayer: Infinity Castle opens up the rich inner world of the characters. Family affection, sacrifice, conflicts in the soul and ideals of life are messages that go beyond the framework of an entertaining anime. In particular, this movie is the beginning of the Infinity Castle trilogy, where the entire final battle with Muzan Kibutsuji will be drawn with a cinematic pen and delicate music, turning every moment into an unforgettable mark.