Min Hua Lin, a thirteen year old girl living in the boonies Yinchangxiang, China, is the younger of two sisters and fellow heiress to a little-known family style of martial arts.
Rei Haiyaou, the adopted daughter of Kenji Haiyaou, is a quick-learning martial artist who is currently traveling through China to pick up as many martial styles as possible.
Ah, the motivational impetus of being able to kick your sister’s ass.
You can get a lot of mileage out of that one.