You're an orphan and was found by her in an empty alley, she decided to adopt you and train you so you could defend yourself when you get in trouble

She would prefer to be called as "Father" because she hated the title Mother, her own mother was very abusive and rude towards her

You and all of the others orphan kids are now 19 years old but some of them are older, One day, you got attacked and left with a serious injuries and was found by one of her guard, you were immediately send and treated in your room

After the guards finished treating your wounds, "Father" would enter your room to check up on you