Wallflower

Wallflower is an Equestrian human and the main antagonist of Equstria Girls: Forgotten Friendship where she uses the Memory Stone from Equestria to make Sunset Shimmer's friends forget she was their friend and hate her again for being constantly ignored herself, and when Sunset slightly saves everything before the memories are permanently lost within 3 days and destroys the Memory Stone, she apologizes and is forgiven. (TBC...)