yamashiro ren
Ren Yamashiro (山城 恋やましろ れん, Yamashiro Ren) is the Chief of the Anti-Demon Corps' 10th Unit and a major supporting character of the Mato Seihei no Slave anime/manga series.
Revered by her allies as the apex of humanity, Ren not only commands the 10th Unit but also holds the position of Head Commander of the entire organization and is considered to be their strongest weapon.