Siren's Mystery (Bill Cipher x Reader)
(Y/N), a famous singer, moves to a strange town named Gravity Falls. She has decided to take a break from her tour, but still performs in this small town. No one knows who she really is either. That's when she takes a trip to the Mystery Stack, and makes many new friends. Will she have the courage to tell them her secret? How will she react to the strange mysteries of this town? Is she herself one of these unusual creatures? How will she react to the most strangest dream she's ever had? And is a certain dream demon an old friend?