Hogwarts again

Your Y/N your dating Mattheo and you have a little sister thats a second year. Your a 7th year and so is Mattheo. You like drawing and writing Draco keeps trying to flirtwith you knowing that is pisses off Mattheo. You know how to fight. And Mattheo is Overprotective of you and your little sister (Your sisters name is lily) Your a slytherin and so is your little sister and Mattheo. Dracos also a slytherin.