Bill Cipher x Reader

When sixteen year old (Y/N) returns to Gravity Falls, Oregon after two years to stay for a few weeks, old friends and romances bubble back to the surface of her life.

She meets her boyfriend of two years, Bill Cipher, again and they share a special night at a local carnival, but what will happen when one of her closest friends, Dipper Pines, discovers their hidden relationship?

Who will (Y/N) fall for?