I want you to stay (Marshall Lee x reader)
COMPLETED X
(Y/n) (m/n) (l/n), a small ten years old girl was sent to Gravity Falls by her parents for summer. She meets her cousins Mabel and Dipper and more people. She enjoys her time there, but everything changes when she sees a particular dream demon, who for some reason feels connected to her. Ten years after Weirdmaggedon...