TenRyu: The Dragon Cycle Vol 1

From the CMX edition

From Matoh Sanami, the popular creator of Fake, comes a fantasy featuring two sword-packing brothers who must find their father's killer in war-torn ancient China. As they search for revenge, they're sidetracked into adventure, stumbling upon the secrets of their origin while meeting up with plenty of weapon-wielding women and foes only too happy to take them out before they finish their quest!

Source: Anime News Network Encyclopedia