Brunhild the Dragonslayer, Vol. 2 (Manga)

When Brunhild's beloved dragon is killed by the Imperial Army--a force led by the man who turns out to be her father--the distraught girl is captured and dragged back to the empire as a member of the heroic Siegfried family. Waiting for her chance to take revenge, Brunhild learns all she can about the nation and military she's been forced to join. But as Brunhild lives among Norvelland's people, something in her may be beginning to change. And after a rocky reunion with her brother, Sigurd, she starts to open up to him...