In your sixth year you got sent away to a specialist hospital for a year(the reason is your choice). You return for you seventh year no one knows where you went other then your best friend pansy. Your group is shocked to see you back at Hogwarts.
Your boyfriend Harry Potter cheats on you with ginny .when your friends find out they loose it especially mattheo how has secretly had a crush on you since third year
After being at another school for a year you return to hogwarts for your 7th year ,you look completely different very different, you catch the eye of your rival mattheo riddle
You and mattheo riddle have been rivals since first year even though you are in the same group you despise each other. Then you end up getting a boyfriend,mattheo can’t help but get jealous