chouun (koihime musou)

Based on: Zhao Yun
Style name: Shiryuu
True name: Sei

She joins to the Shoku when Kan'u was fighting the Tō army, she fought alongside Chō'un for a while; when this war ended, Chō'un met Kazuto and took a liking to him, promising to join his army later. She joins alongside Kōchū after the battle with Enshō. She has a strong obsession of menma. She also has a habit of running around the city as the masked hero of justice 'Butterfly Mask'. Strangely, no one other than Kazuto and Shuri can recognize her true identity, despite only wearing a mask.