Xiaomei and the Flame Dragon's Fist

The story revolves around two sisters: Xiao Mei, the master of the Flame Dragon Fist, and Xiao Ying, the master of the opposing fist, the Dark Dragon Slaying Fist, and Xiao Mei's older sister. Xiao Mei is fascinated by the power of the Dark Dragon and sets out to save her sister who has disappeared.