Chapter 1

The kingdom of gravity falls is ruled by the two kings, Stan and Ford with their only heirs being prince Dipper and princess Mabel. During a time of peace, they decide to marry Mabel off to a nearby kingdom, a choice she agrees with and is more than happy to comply with. Everything is all set until Bill Cipher, king of the Nightmare Kingdom comes, demanding Mabel's hand in marriage claiming it was a part of an arrangement set between their parents and his. When he is told no, he decides to take drastic measures into his own hands, determined for the arrangement to be fullfilled, no matter which twin it is.