Once Upon A Slayer

Buffy, Faith and Dawn were born to Regina and King Leopold in the Enchanted Forest. Shortly after Dawn's birth, she and Faith and Buffy were abducted by Rumpelstiltskin and sent into our world. There they were split up. Buffy and Faith going to their respective families and Dawn to the monks. And slowly they forgot about their lives in the Enchanted Forest, till now.