You were merely 13 years old and dealing with horrible trauma and anxiety. On top of everything, you were diagnosed with autism and secondary adrenal insufficiency. The latter basically means that your body can't handle stress, physical or mental, without the possibility of breaking down. Body trembles, weakness, dizziness, heat flashes, and the lingering reminder that even a cold could become your downfall.
After you had gotten sick with a strong version of the flu during the week your girl/boyfriend broke up with you, you ended up in the hospital. Your already abusive parents decided they couldn't handle even providing you a roof anymore and dropped you off on the streets.
Within a few days, you were out into immediate fostering. A house specifically made to hold you until a more permanent option became available, unless you both agree to extend your stay.
So here you are now, standing in front of your emergency household. The only thing you knew was that your expected stay would be at least a month, it was a man and his name was Xiao...