Joseph Luster
July 4, 2025 
Kenshi Yonezu previously opened the Chainsaw Man TV anime with the song “KICK BACK,” and now the artist will return with a theme song for the Chainsaw Man movie. Chainsaw Man – The Movie: Reze Arc opens in Japan on September 19, with an international release to follow starting on September 24, and you can sample Yonezu’s “IRIS OUT” song along with more explosive footage in a new trailer below.
Chainsaw Man – The Movie: Reze Arc Trailer
Here’s what Kenshi Yonezu had to say about the track:
“It’s a great privilege to continue my musical involvement from the TV anime series to the film. I kept the Reze scenes from the original manga open around the clock, glaring at the pages as I worked on the song. I hope you enjoy it.”
The feature also announced four new cast members, including:
- Hidenori Takahashi as Public Safety Devil Hunter Section 2 Vice Commander
- Kenji Akabane as Nomo
- Kenji Nomura as the mysterious man after the “heart of a chainsaw”
- Eri Kitamura as Typhoon Devil
Chainsaw Man – The Movie: Reze Arc is being directed by Tatsuya Yoshihara, who is known for being an episode director, storyboarder, and key animator for the TV series. Many people from the series are also involved in the movie, including scriptwriter Hiroshi Seko, assistant director Masato Nakazono, character designer Kazutaka Sugiyama, composer kensuke ushio, and sub character designer Sota Yamazaki. TOHO is handling distribution, and MAPPA is in charge of production.
MAPPA gave this description for the movie:
Chainsaw Man – The Movie: Reze Arc Plot
Denji became “Chainsaw Man”, a boy with a devil’s heart, and is now part of Special Division 4’s devil hunters. After a date with Makima, the woman of his dreams, Denji takes shelter from the rain. There he meets Reze, a girl who works in a café.
The series started out as a manga by Tatsuki Fujimoto, which is available in English through VIZ Media. It got its start in the pages of Weekly Shonen Jump in 2018. It’s nabbed the Harvey Awards’ Best Manga award for three years in a row. You can check out Otaku USA’s review on the first volume of the Chainsaw Man manga here.
Source: Crunchyroll News
