Ryomou Shimei from Ikkitousen.
*The guandao Ryomou is holding is not her weapon, but
KanU's legendary Green Dragon Crescent Blade. The
final picture places Ryomou, KanU and ChouUn together,
so the idea is Ryomou is holding it for KanU who is
This is part of a larger drawing [link]
KanU Unchou [link]
and ChouUn Shiryuu [link]