"Niji no Sora" served as the opening theme for the anime series 'The Heroic Legend of Arslan,' showcasing FLOW's consistent ability to deliver high-impact rock tracks for popular shows. The single marked their 28th consecutive single release to chart within the top 20 on Oricon.
- The single was released on August 12, 2015, by Ki/oon Music.
- It reached number 17 on the Oricon Weekly Singles chart.
- The song was later included on their 2016 compilation album, 'FLOW THE BEST 〜ansing〜'.
FLOW is a Japanese rock duo known for their energetic J-rock anthems and numerous contributions to anime soundtracks. At the time of "Niji no Sora"'s release, they were deep into their career, having already established a significant international fanbase through anime tie-ins.
Tracklist
