This 2004 single features two J-rock anthems that became iconic opening themes for the popular anime series *Samurai Champloo*, showcasing Flow's signature blend of aggressive rock and melodic hooks.
- "Ryūsei" served as the second opening theme for the anime *Samurai Champloo*, which aired from April 2004 to September 2004.
- "Sharirara" was the coupling song for the single, also released in 2004.
- The single was released by Sony Music Labels Inc. on February 18, 2004.
Flow is a Japanese rock duo formed in 1998, known for their energetic blend of rock and pop music, often featured in anime soundtracks. At the time of "Ryūsei / Sharirara" in 2004, they were establishing their sound and building a fanbase through their distinctive musical style.
Tracklist
