Kaze yo, Banri wo Kake yo風よ、万里を翔けよ―花木蘭物語 ; Kazeyo Banri wo Kakeyo ; O Wind, Fly O'er a Thousand Leagues

(from Baka-updates): This manga is about a girl named Mulan, who donned armor in her aged father's place and came to serve in the Sui Dynasty's expedition to Gao Ju Li (Korea). However, due to a revolt caused by Imperial corruption, there came an event which would greatly change the course of her fate!!