Roots of GReeeeN

Back-On is a Japanese rock band from Tokyo, Japan. They are known for performing opening themes to anime and games, such as the Tales of the World: Radiant Mythology 2 opening theme, "fly away"; the Air Gear opening theme, "Chain"; the Murder Princess opening theme "Hikari Sasuhou ", and the Eyeshield 21 opening theme "Blaze Line". They have also written ending themes for both anime and TV shows, including "flower" and "a day dreaming..." for Eyeshield 21, "Butterfly" for the late-night TV drama Shinjuku Swan, "Sands of Time" for the mobile robot TV drama Keitai Sousakan 7, and "Strike Back" for the anime series Fairy Tail.