Chainsaw Man Theme Song Yonezu Kenshi’s “IRIS OUT” is a Smash Hit! Achieves 7 #1 Ranks and Fastest Record for 100 Million Views

Chainsaw Man Theme Song: Yonezu Kenshi’s “IRIS OUT” Breaks Records, Tops 7 Charts, Achieves Fastest 100 Million Streams

Yonezu Kenshi’s electrifying single “IRIS OUT,” which has captured immense attention as the theme song for the theatrical film Chainsaw Man Reze-hen, is carving out an extraordinary legacy in the music industry.

The track has achieved a truly astonishing milestone on the Billboard JAPAN comprehensive song chart “JAPAN Hot 100” (chart published on October 22, 2025). “IRIS OUT” triumphantly secured the No. 1 position for an incredible five consecutive weeks, amassing 18,509 points. This remarkable achievement not only represents the highest point total ever recorded since the chart’s tabulation metrics were revised in 2023 but also establishes a new “all-time record” in the chart’s history.

Its success extends profoundly into the digital realm, with “IRIS OUT” delivering overwhelming streaming figures. On the Billboard JAPAN Streaming Songs chart, it captivated audiences with a staggering 28,733,082 streams, claiming the No. 1 spot and setting the “highest streaming count ever for a Japanese song.” Furthermore, on the Oricon Weekly Streaming Ranking, the song achieved an “all-time Oricon record” for weekly streams, reaching an impressive 32.199 million plays. In an extraordinary demonstration of its widespread appeal, “IRIS OUT” surpassed 100 million cumulative streams in just its fourth week, tallying 116.199 million total plays, an unprecedented feat that solidifies its place as the “fastest song in history to break 100 million streams.”

To give you a better visual, here are some images related to the release:

Yonezu Kenshi 'IRIS OUT' Jacket Illustration by Yonezu Kenshi — Yonezu Kenshi “IRIS OUT” Jacket Illustration by Yonezu Kenshi

Yonezu Kenshi 'IRIS OUT' Artist Photo — Yonezu Kenshi “IRIS OUT” Artist Photo

Yonezu Kenshi 'IRIS OUT' MV Thumbnail — Yonezu Kenshi “IRIS OUT” MV Thumbnail

Yonezu Kenshi 'JANE DOE' Jacket Illustration by Yonezu Kenshi — Yonezu Kenshi “JANE DOE” Jacket Illustration by Yonezu Kenshi

Global Resonance and Chart Domination

The international reception for “IRIS OUT” has been equally phenomenal. On the prestigious US Billboard Global 200 chart, the track made a significant impact by ranking 5th for two consecutive weeks. This achievement is not just impressive but historical, establishing an “all-time record” as the highest position ever attained by a Japanese-language song on the chart.

Its global reach is further highlighted by its performance on Billboard JAPAN’s country/region-specific chart, “Japan Songs.” “IRIS OUT” secured the No. 1 position in a remarkable eight countries and regions: South Korea, Singapore, the United Kingdom, Thailand, the United States, Taiwan, Indonesia, and Malaysia. This widespread success unequivocally proves the song’s immense popularity on a worldwide scale.

“JANE DOE” Also Shines in Dual Release

Adding to this impressive streak, the ending theme song for the film, “JANE DOE,” a powerful collaboration between Yonezu Kenshi and Utada Hikaru, has consistently maintained its strong No. 2 position on various charts. This consistent top-tier performance underscores a prevailing trend where Yonezu Kenshi’s compositions frequently dominate the upper echelons of the music rankings, showcasing his unparalleled influence.

The Phenomenal Success of the Chainsaw Man Franchise

The original Chainsaw Man manga, a massively popular work currently serialized on “Shounen Jump+,” has achieved extraordinary success, with cumulative circulation surpassing 31 million copies. The theatrical film adaptation, Chainsaw Man Reze-hen, has mirrored this triumph in Japan, becoming a colossal hit. It has impressively crossed 6.5 billion yen in box office revenue and drawn over 4.26 million enthusiastic viewers. The film has also consistently held the coveted No. 1 spot in the weekend attendance rankings for an astounding five consecutive weeks, further cementing the franchise’s widespread appeal.