New track is the official ending theme of Chainsaw Man – The Movie: Reze Arc
J-pop sensation Kenshi Yonezujoins forces with global icon Hikaru Utadaon a brand-new collaboration, “JANE DOE,” the ending theme for the highly awaited Chainsaw Man – The Movie: Reze Arc. This marks the first-ever project between the two legendary Japanese artists, with Yonezu handling the songwriting and composition while Utada lends her vocals. Alongside the track’s release comes its official music video, directed by Tomokazu Yamada, featuring both stars. The announcement caps off a huge streak for Yonezu, who recently dropped the movie’s theme song “IRIS OUT,”—which entered Spotify’s Top Songs Debut Global Chart at #2—and celebrated a historic milestone when his anime theme “KICK BACK” became the first Japanese-language track to earn RIAA Platinum certification.
In the music video for “JANE DOE,” the two performers sit apart on benches on a train station platform while wearing all black. Passengers traveling in different directions only momentarily cross paths on a station platform when boarding and disembarking. Two people sitting on the same bench while waiting for the next train experience a slight gravitational pull from one another, similar to big, invisible circles. Tomokazu Yamada, who is renowned for his music videos for Kenshi Yonezu’s “Lemon,” “Uma to Shika,” and “Sayonara, Mata Itsuka!” directed the film. “Mine or Yours,” “A Flower of No Color,” and “Gold -Mata Au Hi Made-” by Hikaru Utada, in addition to directing the previous year’s “SCIENCE FICTION TOUR 2024.” – Sayonara.
Of the track, KENSHI YONEZU says, “I started working on the song without giving too much thought to who would sing it. However, as the song began to take shape, it became evident that no one was better suited to it than Utada-san, so I reached out to them. The moment Utada-san’s voice—melancholic, yet sweeping like a gust of wind—came in over the track, I remember being so moved that I let out a sharp gasp. As a songwriter, I feel truly honored to have been given this opportunity.”
HIKARU UTADA adds, “I knew I had to give it a go when I received this offer. Both of us being uncompromising singer-songwriters, we knew better than anybody else where the other comes from, but also faced the challenge of meeting halfway where our styles, as we found in the process, contrast. I hope everyone can feel the new sides that were brought out in us, as we remained true to ourselves and each other.”
Music video director TOMOKAZU YAMADA says, “We spin endlessly in the darkness of the universe, exerting light gravitational pull upon one another. Even when we are close enough to touch, we are all distant stars. Each with its own rotation, each gazing upon its own night. This is truly a collision of galaxies. A moment that is like an eternity, in a place that is neither light nor darkness.”
“IRIS OUT” is already setting another record on the Spotify Japan Daily Chart, achieving the “highest daily play count ever recorded” for six days in a row. “IRIS OUT” debuted on Spotify’s Top Songs Debut Global Chart at #2, is also currently at #3 on Apple Music’s Global Daily Top 100 chart. The music video for “IRIS OUT” was also released on September 15 and has already surpassed 10 million views on YouTube, generating significant buzz as earning #4 on the Global YouTube Daily Music Videos Charts. Available to watch now.
CHAINSAW MAN – THE MOVIE: REZE ARC will be hitting theatres in United States on October 24, 2025 from Sony Pictures Entertainment, who has acquired the worldwide distribution rights for the film. The theatrical release of CHAINSAW MAN – THE MOVIE: REZE ARC opened on Friday, September 19th in Japan. Rocket started with a huge hit, topping the weekend box office rankings exceeding the sales of the smash-hit Demon Slayer: Kimetsu no Yaiba Infinity Castle.
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