Blue Dragon - Tenkai no Shichi Ryuu

After the events of the Blue Dragon series, Shu and Bouquet join a resistance group to fight General Rogi's invasion army. They encounter a mysterious child ,Noi, who has the power to revive Shu's shadow counter-part Blue Dragon. Subsequently they save Noi from a pursuing red dragon. Now Shu and company once again need to start a journey in order to discover the purpose of dragons. This journey has them undergoing many trials in their attempt to counter a chain of events that threatens the fate of humanity... Source: ANN (edited)

English hard subs
(translated from Malaysian subs)

Year: 2008-2009
Episodes: 51

source + screenshots : http://www.bakabt.com/162039-blue-dragon-tenkai-no-shichi-ryuu-divx.html