Japanese singer-songwriter Kenshi Yonezu has officially released the music video for his new song “IRIS OUT,” which serves as the theme song for the upcoming film Chainsaw Man – The Movie: Reze Arc. The fully animated video, featuring scenes from the highly anticipated movie, was streamed on Monday, September 15, ahead of the film’s Japanese premiere on September 19, 2025.
“IRIS OUT” Unveiled for Reze Arc Feature
The digital release of “IRIS OUT” on September 15 was accompanied by a captivating music video that intricately weaves together footage from Chainsaw Man – The Movie: Reze Arc. The video, available on Yonezu’s official YouTube channel, is described as a fully animated production closely connected to the movie’s storyline, showcasing both Denji’s youthful moments and pivotal battles crucial to the narrative. This release builds excitement just days before the film’s debut.
Kenshi Yonezu is no stranger to the Chainsaw Man franchise, having previously performed “KICK BACK,” the opening theme for the first season of the Chainsaw Man anime series, which garnered significant global success.
Chainsaw Man – The Movie: Reze Arc Global Release Details
Chainsaw Man – The Movie: Reze Arc is a direct sequel to the first season of the acclaimed anime television series, continuing the saga of Denji. The film, produced by Studio MAPPA, sees Tatsuya Yoshihara directing and Hiroshi Seko returning as the screenwriter.
Premiere Dates for the Highly Anticipated Film
The movie is scheduled to premiere in Japanese theaters on September 19, 2025, with midnight screenings planned for 12 theaters across major Japanese cities like Tokyo, Osaka, Nagoya, Fukuoka, and Hokkaido. It will also be available in MX4D, 4DX, and Dolby Cinema formats.
International audiences will soon follow, with Crunchyroll and Sony Pictures Releasing distributing the film globally.
- Select Asian markets will begin screenings on September 24, 2025.
- The United States will see the film hit theaters on October 24, 2025, an earlier date than initially announced.
- The United Kingdom is set for an October 29, 2025 release.
- The film is expected to open in over 80 countries beginning September 24.
The Reze Arc Storyline
The film adapts the popular “Reze Arc” from Tatsuki Fujimoto’s original Chainsaw Man manga, picking up directly where the TV series concluded. The story follows Denji, who, after becoming “Chainsaw Man” and joining Special Division 4’s devil hunters, encounters the mysterious girl Reze at a cafe. Their meeting thrusts Denji into an unknown future and leads to his deadliest battle yet, driven by themes of love in a world without rules. Reina Ueda voices Reze in the film.
