L'Arc-en-Ciel has unveiled a special collaboration video with SUMMER SONIC 2026, giving fans their first listen to "Souten Nenshoku," the band's first new song in nearly two years.

The video was released ahead of this year's festival, where L'Arc-en-Ciel will make their SUMMER SONIC debut as a headliner, performing in Osaka on August 14 and Makuhari on August 16. It also marks the first time the festival has created a promotional collaboration video featuring a headlining artist's music.

The video captures the excitement leading up to the festival while offering a preview of "Souten Nenshoku," which vocalist hyde described as a bright, uplifting song written to mark the beginning of L'Arc-en-Ciel's 35th anniversary.