FLOW is a five-member rock band consisting of KEIGO (Vo), KOHSHI (Vo), TAKE (Gt), GOT'S (Ba), and IWASAKI (Dr). Brothers KOHSHI and TAKE began their musical careers in 1993 and formed FLOW in 1998. KEIGO and GOT'S joined in 1999, followed by IWASAKI in 2000, completing the band's current lineup.
Since their major-label debut with the single “Blaster” in 2003, FLOW has released numerous hit songs, driven by the powerful melodies of their twin vocals and diverse musical style. They are widely known for their anime theme songs, including “GO!!!” and “Sign” for “NARUTO,” “COLORS” and “WORLD END” for “Code Geass: Lelouch of the Rebellion,” and “Kaze no Uta” for “Tales of Zestiria the X.”
Since 2006, FLOW has actively performed overseas, building a global fanbase across Asia, North America, South America, Europe, and the Middle East. To date, the band has performed over 180 shows. Since 2025, their FLOW WORLD TOUR “NARUTO THE ROCK” has brought their music to audiences worldwide, with 49 overseas performances. Their song “Sign,” the opening theme for “NARUTO Shippuden,” has surpassed 180 million streams on Spotify worldwide.