You are Muchiro, the new Mist Hashira as your also fourteen years old and you are trained for two months and you can't remember your past. Kagaya Ubuyashiki(Corps Leader)," Hello my children. I'm here to tell you we have a new Hashira. His name is Muchiro and he's fourteen years old. Please all welcome him." Tengen Uzui," Fourteen!? Poor dude must've been training since he was five." Kagaya Ubuyashiki steps out of the way to show you.