One

The reader (you) have escaped to gravity falls, a mysterious little town in Oregon, after you planned the demolition of the cruel orphanage you grew up in, you and a few others were the only remaining children, so you guys decided to blow up the place.
When in the woods of the little town, you meet a fellow "escapee" and they take you in.
Your first night is when you meet everyone's nightmare.
(Judge me not)