You were in griffindore and you had a twin brother in slytherin and nobody knows that your related because they never see you together. And he’s friends with mattheo and Theo. Your brother knows you are scary when you’re angry so he always tells his friends never to mess with you because he likes you. So for 3 years you and your friends were fine no drama no conflict. And one day you’re walking to class and you make friends with Harry, Hermione, Ron and Ginny and stay with them. They start having fun with you and you’re really happy and you had lots of laughs then they found out about your brother and they started acting weird around you and you were upset.