The miraculous tag team of Kenshi Yonezu and Chainsaw Man strikes again! And for the first time ever, Kenshi Yonezu and Hikaru Utada join forces for an extraordinary collaboration. Serving as the theme song for the theatrical feature "Chainsaw Man - Reze Arc," Kenshi Yonezu delivers the newly written track "IRIS OUT." In addition, the ending theme for the same film, "JANE DOE" by Kenshi Yonezu and Hikaru Utada, is released together as a double A-side single. The "JANE DOE Edition" comes in a fragment case with a CD and DVD. The DVD features the theatrical feature "Chainsaw Man - Reze Arc" full trailer, along with the music video for "KICK BACK" and live performance footage, making for an impressive premium content package. Jacket Illustration by Kenshi Yonezu. Includes a serial number for the second advance ticket lottery for "Kenshi Yonezu 2026 TOUR / GHOST" [Application Period: Sep 22, 2025 12:00 - Sep 28, 2025 23:59] (system requirements unknown).