Based on: Zhao Yun Style name: Shiryuu True name: Sei
She joins to the Shoku when Kan'u was fighting the TÅ army, she fought alongside ChÅ'un for a while; when this war ended, ChÅ'un met Kazuto and took a liking to him, promising to join his army later. She joins alongside KÅchÅ« after the battle with EnshÅ. 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.