Maruca is Biana's ex- friend. Little is known about Maruca, except that she is Wylie's second cousin and she is Stina's friend. After Biana begins hanging out with Sophie in Book 1, she spills a lot of Biana's secrets to Stina.
Dark skin, and black hair with a small blue streak in it. In Lodestar, it is said she had turquoise eyes.