Finding mates/ 16th birthday party

Katherine Eva woods, is a werewolf and only daughter of the Alpha and Luna of the red sky pack,she has 3 older brothers, she goes to an all werewolf school that her dad is principle at and she is the most popular girl at school, what happens when on her 16 birthday when the neighboring wolf pack who the Alpha and Luna are best friends with her parents come over
With their whole pack and Katherine finds out that their twin sons Hunter and Lucas who are 22 are her mates instead of her having one like everyone else.