2 mates is it possible?

Rosolin is a regular teenager but her and her brother are different from everyone eles because they are wearwovles . Her brother was adopted into her family but he keeps a secret from her sister that he is in love with her. Rosolin meets a boy named Xavier and soon she finds out that he is her mate. Once her brother finds out that the girl he loves is being taken away from him he will stop at nothing to claim her as his own. Just as her mate will do the same. Rosolin will also find her self confused has she slowly starts falling for her apdoted brother. Who will she choose what will happen between her mate and her brother?! Read to find out