The Legend of Chusen.

Can a man love a woman but still take down her father? Zhang Xiao Fan and his childhood friend Lin Jing Yu were the only survivors of the Grass Village massacre that wiped out both of their families. Taken in by the Qing Yun Sect, the boys were trained in the ways of the Immortal Sword. Xiao Fan falls in love with Bi Yao, the daughter of the Ghost King. But when the Ghost King tries to grow his power by overthrowing the Qing Yun Sect, Xiao Fan must choose between protecting his people and hurting the woman he loves.