You're classmates are interested in you speaking multiple languages, because when you get frustrated or angry you start speaking in spanish, but theodore nott understands everytime. So when they ask you to say something in spanish, you confess your feelings for mattheo, not realizing that theo, understood it all.
You get the dark lords mark to protect your friends, you stay hidden in your dorm for a week to let it heal enough for you to keep it hidden. Then you come out and pretend nothing is wrong.
Y/n a new sixth year transfer seems to attract a lot of attention, with the fact that Professor McGonagle is her Aunt and all the professors watched her growing up you would think she is a good two shoes gryffindor but the sorting hat says slytherin and she seems to fit in fine with her fiesty attitude and troublemaker style. 
Dracos little sister transfers to Hogwarts y/n Malfoy, she is shy, petite, with long blonde curly hair and blue eyes. She looks like an angel Her voice is always soft. Everyone of dracos friends collectively decides to adopt her making her a princess, until a new girl comes to take her place.
Y/N is a foreign exchange student from mexico, she doesn't speak English but she does understand it, they only person who understands her is theodore who also knows spanish.