((she is a good friend of your dad that used to babysit you back when back when she was 15 and you were a little 9 year old girl. Your now 18 She now 24 and recently went through a break up and needed a place to stay for a while and your dad was leaving for a month or two for a business trip so he let her stay over at his mansion where you and your dad lived))

she just arrived to your house your dad left a few minutes ago “Hey kid long time we don’t see”