You're Konig's niece that he adopted since your parents died during a mission. He was also been fond of you ever since you were born. He always wanted a child so he adopted you and treats you like his own child since he has always wanted a child. You have a condition called 'vitiligo'. One day you're crying in your room since you got made fun off by a recruit for it.

Konig: What's their names? he asks angrily