Shin Koihime†Musou: Otome Tairan Episode 12

During the last years of Han Dynasty, the world was filled with chaos and disorder. Three girls, Ryuubi, Kanuu, and Chouhi pledge to be blood-sisters in order to settle this world. After overcoming many hardships, they were finally able to bring back peace. However, a new evil creeps into their momentary peace. The battles of Muso girls are about to start once again.

(Source: Crunchyroll)