You are the bodyguard to the princess of Mewni who is named Star Butterfly. When she gets her wand one day she is then sent to Gravity Falls for the summer and you went with her. There you meet the Pines twins and all four of you will have crazy adventures that Summer. (In this universe Mabel and Dipper are 15) (Monster! Male reader X Star Butterfly X Mabel Pines) ---------------- Svtfoe, Gravity Falls, series, Characters, and images all belong to their original owners
7 parts