Y/N Belfrey is the child of Victoria Belfrey/Rapunzel Tremaine and Detective Charles Barrett/King Arthur, the sister/brother of Ivy and Anastasia. This story is about how Y/N and Lucy Mills work together to find Lucy's granddad and Y/N's dad Arthur. Please if you add my story to reading lists, only add it to Once Upon A Time lists. IT ONLY FITS IN ONCE UPON A TIME. Y/N's FC: If a Female Reader - Erika Henningson If a Male Reader - Callum Turner.