{{Use mdy dates|date=August 2025}} {{Short description|2025 single by Kenshi Yonezu}} {{About|the Kenshi Yonezu song|the silent film technique|Iris shot}} {{Infobox song | name = Iris Out | cover = Kenshi Yonezu - Iris Out.png | caption = | type = single | artist = Kenshi Yonezu | A-side = Jane Doe | released = {{Start date|2025|09|24}} | length = {{Duration|m=2|s=32}} | label = SME | writer = Kenshi Yonezu | producer = Kenshi Yonezu | prev_title = Plazma | prev_title2 = Bow and Arrow | prev_year = 2025 | title2 = Jane Doe | year = 2025 | next_title = 1991 | next_year = 2025 | misc = {{external music video|{{YouTube| LmZD-TU96q4 |"Iris Out"}}}} }}
"'''Iris Out'''" (stylized in all caps) is a song recorded by Japanese singer-songwriter Kenshi Yonezu. Released digitally on September 15, 2025, via SME Records, "Iris Out" served as the opening theme song for the Japanese animated film ''Chainsaw Man – The Movie: Reze Arc''. The song was later released physically on September 24, 2025, alongside "Jane Doe", the closing theme song, as a double A-side maxi single.
== Background == Kenshi Yonezu's single "Kick Back", used as the opening theme song for the anime adaptation of ''Chainsaw Man'', saw global commercial success upon its release. Becoming the first song recorded in Japanese to receive a Gold certification from the Recording Industry Association of America (RIAA),<ref>{{Cite web |date=November 2, 2023 |title=米津玄師インタビュー｜「KICK BACK」米レコード協会ゴールド認定に寄せて - 音楽ナタリー 特集・インタビュー |url=https://natalie.mu/music/pp/yonezukenshi25 |access-date=2025-08-17 |website=Natalie Music |language=ja}}</ref> "Kick Back" charted in various territories, including the ''Billboard'' Hot Rock & Alternative Songs chart, the UK Rock & Metal chart and the Canadian Hot 100.
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''.<ref>{{Cite web |date=July 4, 2025 |title=劇場版「チェンソーマン レゼ篇」主題歌は米津玄師、音源入り本予告を公開（動画あり / コメントあり） |url=https://natalie.mu/comic/news/630805 |access-date=2025-08-17 |website=Natalie Music |language=ja}}</ref> On August 1, the release date of "Iris Out" was announced for September 24, as a double A-side single with an untitled song.<ref>{{Cite web |last=多木汐里 |date=2025-08-01 |title=米津玄師、劇場版『チェンソーマン レゼ篇』主題歌「IRIS OUT / （未定）」ダブルA面シングル発売決定＋描き下ろしジャケット公開 |url=https://barks.jp/news/1005055 |access-date=2025-08-17 |website=Barks |language=ja}}</ref> The title for the untitled song was revealed on August 14, "Jane Doe", a collaboration single with Japanese-American singer Hikaru Utada.<ref>{{Cite web |title=米津玄師×宇多田ヒカルがコラボ、劇場版『チェンソーマン』EDテーマの新曲「JANE DOE」(両名コメントあり) |url=https://www.billboard-japan.com/d_news/detail/152512/2 |access-date=2025-08-17 |website=Billboard Japan |language=ja}}</ref> In a press release, "Jane Doe" was revealed as the ending theme song for the film.<ref>{{Cite web |date=2025-08-14 |title=劇場版『チェンソーマン レゼ篇』ED主題歌発表 米津玄師×宇多田ヒカル「JANE DOE」 |url=https://www.oricon.co.jp/news/2400983/full/ |access-date=2025-08-17 |website=Oricon}}</ref>
== Release == "Iris Out" was digitally released on September 15, 2025. The song was later released physically on September 24, 2025, alongside "Jane Doe", 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 video.<ref>{{Cite web |last=川添 |date=2025-08-14 |title=米津玄師と宇多田ヒカルコラボ楽曲『JANE DOE』が『チェンソーマン レゼ篇』EDに！アー写公開 |url=https://www.edgeline-tokyo.com/entertainment/180002 |access-date=2025-08-17 |website=Edge Line |language=ja}}</ref> First press bonuses for all variants include a serial number for a lottery in winning tickets to Yonezu's 2026 Ghost Tour.
== Music video == A music video was released on September 15, 2025, on Yonezu's official YouTube channel, using footage from the film. ''Billboard Japan'' reported that it contains some spoilers from the movie.<ref name="BJ">{{Cite web |date=2025-09-15 |title=米津玄師、「IRIS OUT」MVは劇場版『チェンソーマン レゼ篇』本編映像にて構成 Spotifyリスニングパーティー開催も決定 |url=https://www.billboard-japan.com/d_news/detail/153632/2 |access-date=2025-09-15 |website=Billboard Japan |language=ja}}</ref>
== Live performances == Like "Sayonara, Mata Itsuka!", Yonezu debuted the song at the ''76th NHK Kōhaku Uta Gassen''. The performance, which was recorded at the former Tokyo Expressway,<ref>{{Cite web |title=【紅白】米津玄師 大ヒット曲「ＩＲＩＳ ＯＵＴ」を世界初パフォーマンス、この春廃止された銀座の高速「ＫＫ線」から（スポーツ報知） |url=https://news.yahoo.co.jp/articles/74e46bb972d12fc5368e68fb6ceb84f0ed495d63 |access-date=2026-01-02 |website=Yahoo!ニュース |language=ja}}</ref> starts with him in a telephone booth, listening to Hikaru Utada's chorus from his other single, Jane Doe. He then walks toward an LED catwalk, alongside female dancers. Approximately 100 dancers participated in the performance. During the transition between the first chorus and second verse, he travels in a shark vehicle. He finishes the performance with the girl group Hana, as they thank viewers and wish for a happy new year, while fireworks can be seen in the distance.<ref>{{Cite web |date=2025-12-31 |title=【紅白】米津玄師、初「IRIS OUT」パフォーマンスでHANAとのコラボ |url=https://www.oricon.co.jp/news/2428431/full/ |access-date=2026-01-02 |website=オリコンニュース（ORICON NEWS）}}</ref><ref>{{Cite web |last=Bloom |first=Electric |date=2026-01-01 |title=Kenshi Yonezu rings in the new year with first live performance of 'IRIS OUT' at NHK Kōhaku |url=https://electricbloomwebzine.com/2026/01/kenshi-yonezu-rings-in-the-new-year-with-first-live-performance-of-iris-out-at-nhk-kohaku.html |access-date=2026-01-02 |website=Electric Bloom Webzine |language=en-GB}}</ref>
==Usage in media== "Iris Out" was also featured in the popular battle royale game ''Fortnite'', where the audio was used as a "jam track" and users can purchase the song for 500 Vbucks.<ref>{{cite web |last=Oisin H.C. |first=Toni |title=Fornite x Chainsaw Man Collab is Coming in Chapter 7, According to Leaks |url=https://thephrasemaker.com/2026/01/08/fornite-x-chainsaw-man-collab-is-coming-in-chapter-7-according-to-leaks/ |website=The PhraseMaker |date=January 8, 2026 |access-date=January 11, 2026 }}</ref><ref>{{cite web |title=Iris Out Jam Track |url=https://www.fortnite.com/item-shop/jam-tracks/iris-out-4c48ede2cb16?lang=en-US |website=Fortnite |date=January 2026 |access-date=January 11, 2026 }}</ref>
== Accolades == {| class="wikitable plainrowheaders" |+ Awards and nominations for "Iris Out" ! scope="col" | Ceremony ! scope="col" | Year ! scope="col" | Award ! scope="col" | Result ! scope="col" class="unsortable" | {{abbr|Ref.|Reference(s)}} |- ! scope="row" | Abema Anime Trend Awards | style="text-align:center" | 2025 | Anime Song Award | {{won}} | style="text-align:center" | <ref>{{Cite web |title=「日本アニメトレンド大賞2025」アニメソング賞は劇場版「チェンソーマン レゼ篇」主題歌 米津玄師の「IRIS OUT」！ABEMAで生放送 |url=https://s.animeanime.jp/article/2025/12/26/94761.html |website=Anime! Anime! |date=December 26, 2025 |access-date=December 26, 2025 |language=ja}}</ref> |- ! scope="row" | Crunchyroll Anime Awards | style="text-align:center" | 2026 | Best Anime Song | {{won}} | style="text-align:center" | <ref>{{Cite web |last=Hazra |first=Adriana |title=Winners of The Crunchyroll Anime Awards 2026 |url=https://www.animenewsnetwork.com/interest/2026-05-23/winners-of-the-crunchyroll-anime-awards-2026/.237730 |website=Anime News Network |date=May 23, 2026 |access-date=May 23, 2026}}</ref> |- ! scope="row" rowspan="3" | Japan Gold Disc Award | style="text-align:center" rowspan="12" | 2026 | Best 3 Songs by Download | {{won}} | style="text-align:center" rowspan="3" | <ref>{{Cite web |title=第40回 日本ゴールドディスク大賞 |url=https://www.golddisc.jp/award/40/Prize_2.html |website=Japan Gold Disc Awards |access-date=March 12, 2026 |language=ja}}</ref> |- | Song of the Year by Streaming (Japan) | {{won}} |- | Best 5 Songs by Streaming | {{won}} |- ! scope="row" rowspan="8" | Music Awards Japan | Song of the Year | {{pending}} | style="text-align:center" rowspan="8" | <ref>{{Cite news |title=国際音楽賞「MUSIC AWARDS JAPAN」ノミネート発表 主要部門にミセス・HANA ・M!LKなど【各部門5作品一覧】 |url=https://mdpr.jp/music/detail/4773584 |work=Modelpress |date=April 30, 2026 |access-date=April 30, 2026 |language=ja}}</ref> |- | Top Global Hit from Japan | {{pending}} |- | Best J-Pop Song | {{pending}} |- | Best Anime Song | {{pending}} |- | Top Japanese Song in Asia | {{pending}} |- | Top Japanese Song in Europe | {{pending}} |- | Top Japanese Song in North America | {{pending}} |- | Top Japanese Song in Latin America | {{pending}} |- ! scope="row" | {{Ill|Reiwa Anisong Awards|ja|令和アニソン大賞}} | Best Work Award | {{nom}} | style="text-align:center" | <ref>{{Cite web |title=令和7年アニソン大賞 |url=https://www.anisong-taisho.jp/reiwa07/ |website=Anisong Awards |access-date=January 10, 2026 |language=ja}}</ref> |- |}
== Track listing ==
* '''Digital download''' '''and streaming''' # "Iris Out" – 2:32
* '''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 * Masahito Komori – mixing, engineering * Randy Merrill – mastering
== Charts == {{col-begin}} {{col-2}} === Weekly charts === {| class="wikitable sortable plainrowheaders" style="text-align:center" |+ Weekly chart performance for "Iris Out" ! scope="col"| Chart (2025–2026) ! scope="col"| Peak<br />position |- {{single chart|Billboardglobal200|5|artist=Kenshi Yonezu|rowheader=true|access-date=September 30, 2025}} |- ! scope="row"| Hong Kong (''Billboard'')<ref>{{cite magazine|url=https://www.billboard.com/artist/kenshi-yonezu/chart-history/i45/|title=Kenshi Yonezu Chart History (Hong Kong Songs)|magazine=Billboard|access-date=October 14, 2025}}</ref> | 5 |- ! scope="row"| Japan (Japan Hot 100)<ref>{{cite web|url=https://billboard-japan.com/charts/detail?a=hot100&year=2025&month=09&day=29|title=Billboard Japan Hot 100 – Week of September 24, 2025|website=Billboard Japan|language=ja|access-date=September 24, 2025}}</ref> | 1 |- ! scope="row"| Japan Hot Animation (''Billboard Japan'')<ref>{{cite web|url=https://www.billboard-japan.com/charts/detail?a=anime&year=2025&month=09&day=29|title=Billboard Japan Hot Animation – Week of September 24, 2025|website=Billboard Japan|language=ja|access-date=September 24, 2025}}</ref> | 1 |- {{single chart|Oricon|2|date=2025<!-- needs to stay YYYY-MM-DD -->-10-06|rowheader=true|access-date=October 1, 2025|note=with "Jane Doe"}} |- ! scope="row"| Japan Combined Singles (Oricon)<ref>{{cite web |title=Oricon Top 50 Combined Singles: 2025-10-06 |url=https://www.oricon.co.jp/rank/cos/w/2025-10-06/ |publisher=Oricon |access-date=October 2, 2025 |language=ja |archive-url=https://web.archive.org/web/20251003122633/https://www.oricon.co.jp/rank/cos/w/2025-10-06/ |archive-date=October 3, 2025 |url-status=bot: unknown }}</ref><br>{{small|''with "Jane Doe"''}} | 1 |- ! scope="row"| Japan Anime Singles (Oricon)<ref>{{cite web |title=Oricon Top 20 Anime Singles: 2025-10-06 |url=https://www.oricon.co.jp/rank/as/w/2025-10-06/ |publisher=Oricon |access-date=October 8, 2025 |language=ja |archive-url=https://web.archive.org/web/20251008053725/https://www.oricon.co.jp/rank/as/w/2025-10-06/ |archive-date=October 8, 2025}}</ref><br>{{small|''with "Jane Doe"''}} | 1 |- ! scope="row"| New Zealand Hot Singles (RMNZ)<ref>{{cite web|url=https://aotearoamusiccharts.co.nz/archive/hot-singles/2025-10-31|title=Official Hot 40 Singles|publisher=Recorded Music NZ|date=October 31, 2025|access-date=October 31, 2025}}</ref> | 24 |- ! scope="row"| South Korea (Circle)<ref>{{cite web|url=https://circlechart.kr/page_chart/onoff.circle?nationGbn=T&serviceGbn=ALL&targetTime=42&hitYear=2025&termGbn=week|title=Circle Digital Chart – Week 42 of 2025|website=Circle Chart|language=ko|date=October 12–18, 2025|access-date=October 23, 2025}}</ref> | 5 |- ! scope="row"| South Korea Hot 100 (''Billboard'')<ref>{{cite magazine|url=https://www.billboard.com/artist/kenshi-yonezu/chart-history/kht/|title=Kenshi Yonezu Chart History (Korea Hot 100)|magazine=Billboard|access-date=December 20, 2025}}</ref> | 13 |- ! scope="row"| Singapore Regional (RIAS)<ref>{{cite web|url=https://www.rias.org.sg/the-official-singapore-charts/#1562208279199-5ec9aa23-80dc|title=The Official Singapore Charts Week 41 (3 - 9 Oct 2025)|publisher=RIAS|access-date=October 14, 2025|archive-date=October 14, 2025|archive-url=https://archive.today/20251014064122/https://www.rias.org.sg/the-official-singapore-charts/%231562208279199-5ec9aa23-80dc}}</ref> | 27 |- ! scope="row"| Taiwan (''Billboard'')<ref>{{cite magazine|url=https://www.billboard.com/artist/kenshi-yonezu/chart-history/i44/|title=Kenshi Yonezu Chart History (Taiwan Songs)|magazine=Billboard|access-date=October 7, 2025}}</ref> | 2 |- ! scope="row"| UK Singles Sales (OCC)<ref>{{cite web|url=https://officialcharts.com/charts/singles-sales-chart/20260403/7509/|title=Official Singles Sales Chart on 3/4/2026 – Top 100|publisher=Official Charts Company|access-date=April 4, 2026}}</ref> | 12 |- ! scope="row"| US World Digital Song Sales (''Billboard'')<ref>{{cite magazine|url=https://www.billboard.com/artist/kenshi-yonezu/chart-history/wdt/|title=Kenshi Yonezu Chart History (World Digital Song Sales)|magazine=Billboard|access-date=November 4, 2025}}</ref> | 3 |} {{col-2}}
=== Monthly charts === {| class="wikitable sortable plainrowheaders" style="text-align:center" |+ Monthly chart performance for "Iris Out" ! scope="col"| Chart (2025) ! scope="col"| Peak<br />position |- ! scope="row"| Japan (Oricon)<ref>{{cite web|title=Oricon Top 50 Singles: 2025-09 |url=https://www.oricon.co.jp/rank/js/m/2025-09/ |publisher=Oricon |access-date=October 8, 2025 |archive-url=https://web.archive.org/web/20251008050350/https://www.oricon.co.jp/rank/js/m/2025-09/ |archive-date=October 8, 2025}}</ref><br>{{small|''with "Jane Doe"''}} | 5 |- ! scope="row"| Japan Anime Singles (Oricon)<ref>{{cite web|title=Oricon Top 10 Anime Singles: 2025-09 |url=https://www.oricon.co.jp/rank/as/m/2025-09/ |publisher=Oricon |access-date=October 8, 2025 |archive-url=https://web.archive.org/web/20251008063233/https://www.oricon.co.jp/rank/as/m/2025-09/ |archive-date=October 8, 2025}}</ref><br>{{small|''with "Jane Doe"''}} | 1 |- ! scope="row"| South Korea (Circle)<ref>{{cite web|url=https://circlechart.kr/page_chart/onoff.circle?nationGbn=T&serviceGbn=ALL&targetTime=10&hitYear=2025&termGbn=month&yearTime=3|title=Digital Chart – October 2025|website=Circle Chart|language=ko|access-date=November 9, 2025}}</ref> | 5 |}
=== Year-end charts === {| class="wikitable sortable plainrowheaders" style="text-align:center" |+ Year-end chart performance for "Iris Out" ! scope="col"| Chart (2025) ! scope="col"| Position |- ! scope="row"| Japan (Japan Hot 100)<ref>{{cite web|url=https://www.billboard-japan.com/charts/detail?a=hot100_year&year=2025|title=Billboard Japan Hot 100 – 2025 Year-End|website=Billboard Japan|language=ja|access-date=December 5, 2025}}</ref> | 4 |- ! scope="row"| Japan Hot Animation (''Billboard Japan'')<ref>{{cite web|url=https://www.billboard-japan.com/charts/detail?a=anime_year&year=2025|title=Billboard Japan Hot Animation – 2025 Year-End|website=Billboard Japan|language=ja|access-date=December 5, 2025}}</ref> | 2 |- ! scope="row"| Japan (Oricon)<ref>{{cite web |title=Oricon Top 100 Singles: 2025 |url=https://www.oricon.co.jp/rank/js/y/2025/p/4/ |publisher=Oricon |access-date=December 17, 2025 |archive-url=https://web.archive.org/web/20251217091138/https://www.oricon.co.jp/rank/js/y/2025/p/4/ |archive-date=December 17, 2025}}</ref><br>{{small|''with "Jane Doe"''}} | 35 |- ! scope="row"| Japan Combined Singles (Oricon)<ref>{{cite web |title=【オリコン年間ランキング2025】<作品別売上部門>Snow Manが2年連続"6冠"、Mrs. GREEN APPLEは2冠達成、米津玄師も存在感 {{!}} 合算シングルランキング 1位~10位 |url=https://www.oricon.co.jp/special/73522/7/ |website=Oricon |access-date=December 17, 2025 |language=ja |date=December 17, 2025}}</ref><br>{{small|''with "Jane Doe"''}} | 3 |- ! scope="row"| South Korea (Circle)<ref>{{cite web|url=https://circlechart.kr/page_chart/onoff.circle?nationGbn=T&serviceGbn=ALL&targetTime=2025&hitYear=2025&termGbn=year&yearTime=3|title=Digital Chart – 2025|website=Circle Chart|language=ko|access-date=January 13, 2026}}</ref> | 106 |} {{col-end}}
== Certifications == {{Certification Table Top|caption=Certifications for "Iris Out"}} {{Certification Table Entry|region=Japan|type=single|artist=米津玄師|title=IRIS OUT / JANE DOE|award=Platinum|certyear=2025|certmonth=9|access-date=October 10, 2025|note=Physical with "Jane Doe"}} {{Certification Table Entry|region=Japan|type=single|note=Digital|digital=true|artist=米津玄師|title=IRIS OUT|award=Platinum|certyear=2026|certmonth=4|access-date=May 20, 2026}} {{Certification Table Separator|title=Streaming}} {{Certification Table Entry|region=Japan|type=single|artist=米津玄師|title=IRIS OUT|award=Platinum|number=3|streamsonly=true|certyear=2025|certmonth=11|access-date=March 26, 2026|refname=st}} {{Certification Table Bottom|streamsonly=true}}
== Release history == {| class="wikitable plainrowheaders" |+ Release history and formats for "Iris Out" ! scope="col" | Region ! scope="col" | Date ! scope="col" | Format ! scope="col" | Version ! scope="col" | Label ! scope="col" | {{Ref.}} |- ! scope="row" | Various | September 15, 2025 | {{hlist|Digital download|streaming}} | Digital | rowspan="4" |SME | align="center" |<ref>{{Cite web |title=米津玄師「IRIS OUT」のMV公開、劇場版「チェンソーマン レゼ篇」本編映像あり（動画あり） |url=https://natalie.mu/music/news/640357 |access-date=2025-09-24 |website=Natalie Music |language=ja}}</ref> |- ! rowspan="3" scope="row" | Japan | rowspan="3" | September 24, 2025 | rowspan="2" | CD | Standard | align="center" | <ref>{{Cite web |title=IRIS OUT / JANE DOE [Regular Edition] Kenshi Yonezu CD Maxi |url=https://www.cdjapan.co.jp/product/SECL-3256 |access-date=2025-08-17 |website=CDJapan |language=en}}</ref> |- | Iris Out | align="center" | <ref>{{Cite web |title=IRIS OUT / JANE DOE [IRIS OUT Edition / Limited Edition with bonus collectible(s)] Kenshi Yonezu CD Maxi |url=https://www.cdjapan.co.jp/product/SECL-3250 |access-date=2025-08-17 |website=CDJapan |language=en}}</ref> |- | {{hlist|CD|DVD}} | Jane Doe | align="center" | <ref>{{Cite web |title=IRIS OUT / JANE DOE [JANE DOE Edition / Limited Edition with DVD] Kenshi Yonezu CD Maxi |url=https://www.cdjapan.co.jp/product/SECL-3253 |access-date=2025-08-17 |website=CDJapan |language=en}}</ref> |- ! scope="row" | Various | March 27, 2026 | 12" single | Vinyl | Milan | align="center" | <ref>{{Cite web |title=Kenshi Yonezu - IRIS OUT / JANE DOE |url=https://milanrecords.shop/products/kenshi-yonezu-iris-out-jane-doe |archive-url=https://web.archive.org/web/20251105005612/https://milanrecords.shop/products/kenshi-yonezu-iris-out-jane-doe |archive-date=November 5, 2025 |access-date=November 5, 2025 |website=Milan Records |language=en}}</ref> |}
== References == {{reflist}}
{{Kenshi Yonezu}} {{Chainsaw Man}} {{Crunchyroll Anime Award for Best Anime Song}} {{Authority control}}
Category:2025 songs Category:2025 singles Category:Anime songs Category:Billboard Japan Hot 100 number-one singles Category:Chainsaw Man Category:Crunchyroll Anime Award winners Category:Kenshi Yonezu songs Category:SME Records singles Category:Songs written by Kenshi Yonezu Category:Songs written for animated films Category:Songs written for Japanese films