A tour de force Single 「Chain」 was a smash hit, the event 「Ryu」 was held, got high evaluation both domestic and overseas, and BACK-ON sounds have reached the new level. Then they opened up new world on the rock scenes in the latter half of 2006!
BACK-ON has been a better evolution than expected around every release.
Explosion created by 5 members with heated hearts will be more violent, more melodious, and they will sublimate into NEW STYLE with more wondrous sharpness!!

<The-first-time benefits>
■「Eye Shield 21」Enclosed stickers