Friends till the end (Descendants 2 Ouat fanfic) ( Completed)

When Uma,Harry,and Gil have an old friend May,Mal's younger sister, who also dislikes her sister for what she did to Uma. When May and Mal get into a fight about their past with Uma, May feels like she doesn't belong in Auradon with her sister and other friends so she leaves to the isle. After Mal finds out about her...