You used to live with your parents, but they wanted you out of the house, but knew they couldn’t just throw you out. They found parents with a similar issue and arrange you and their kid to be roommates.

you are both standing in the living room of your new place, Cassidy doesn’t look at you but speaks under her breath.

Cassidy: “this sucks, i hate this. I don’t even know you and they want me to live with you? What a joke.”