"Jane Doe" (stylized in all caps) is a song recorded by Japanese singer-songwriter Kenshi Yonezu and Japanese-American singer-songwriter Hikaru Utada. Released digitally on September 22, 2025, via SME Records, "Jane Doe" served as the closing theme song for the Japanese animated film Chainsaw Man – The Movie: Reze Arc. The song was later released physically on September 24, 2025, alongside "Iris Out", the opening theme song, as a double A-side maxi single.

Background In a press release on July 4, 2025, Kenshi Yonezu announced he recorded "Iris Out", the opening theme song for the Japanese animated film Chainsaw Man – The Movie: Reze Arc. Yonezu previously provided his song "Kick Back" as the opening theme song for the anime series of Chainsaw Man, which saw global success and later became the first song recorded in Japanese to receive a Gold certification from the Recording Industry Association of America (RIAA). On August 1, the release date of "Iris Out" was announced for September 24, as a double A-side single with an untitled song. The title for the untitled song was revealed on August 14, "Jane Doe", as a collaboration single with Japanese-American singer Hikaru Utada. In a press release, "Jane Doe" was revealed as the ending theme song for the film.

Release "Jane Doe" was released on September 24, 2025, alongside "Iris Out" as a double A-side single. Three variants were released: the regular edition, the Iris Out edition, and the Jane Doe edition. The Iris Out variant includes an acrylic stand and a Polaroid photo of the character Reze from Chainsaw Man as bonus goods, while the Jane Doe version consists of a DVD of the "Kick Back" music video and a live performance. First press bonuses for all variants include a serial number for a lottery in winning tickets to Yonezu's 2026 Ghost Tour.

Music video On September 23, a music video directed by Tomokazu Yamada was released on Yonezu's official YouTube channel.

Accolades + Awards and nominations for "Jane Doe" Ceremony Year Award Result AnimaniA Awards 2026 Best Anime Song Anime Grand Prix Best Theme Song Crunchyroll Anime Awards 2026 Best Anime Song MTV Video Music Awards Japan 2026 Video of the Year Best Collaboration Video (Japan) Music Awards Japan 2026 Top Global Hit from Japan Best J-Pop Song Best Anime Song Top Japanese Song in Asia

Track listing

Digital download and streaming "Jane Doe" – 3:56

CD "Iris Out" – 2:31 "Jane Doe" – 3:55

Jane Doe DVD "Chainsaw Man – The Movie: Reze Arc" (trailer) – 1:29 "Kick Back" (music video) – 3:39 "Kick Back" (live video) – 3:13

12" Single "Iris Out" "Jane Doe" "Kick Back" "Kick Back" (Frost Children remix) "Kick Back" (Hudson Mohawke remix) "Kick Back" (Tomggg remix)

Personnel Kenshi Yonezu – vocals, production, programming, arrangement Hikaru Utada – vocals Yaffle – production, programming, arrangement Masahito Komori – mixing, engineering Yuya Saito – engineering Randy Merrill – mastering

Charts

Weekly charts + Weekly chart performance for "Jane Doe" Chart (2025) Peakposition Hong Kong (Billboard) 5 Japan (Japan Hot 100) 2 Japan Hot Animation (Billboard Japan) 2 Japan Combined Singles (Oricon) 1 Japan Anime Singles (Oricon) 1 South Korea (Circle) 16 South Korea (Korea Hot 100) 35 Taiwan (Billboard) 3 US World Digital Song Sales (Billboard) 4

Monthly charts + Monthly chart performance for "Jane Doe" Chart (2025) Position Japan (Oricon) 5 Japan Anime Singles (Oricon) 1 South Korea (Circle) 22

Year-end charts + Year-end chart performance for "Jane Doe" Chart (2025) Position Japan (Japan Hot 100) 43 Japan Hot Animation (Billboard Japan) 11 Japan (Oricon) 35 Japan Combined Singles (Oricon) 3

Certifications

Release history + Release history and formats for "Jane Doe" Region Date Format Version Label Various September 22, 2025 Digital SME Japan September 24, 2025 CD Standard Iris Out Jane Doe Various March 27, 2026 12" single Vinyl Milan

References