Falling in love with a Snape Draco x Reader

You are professor Severus Snape's and Lilly Even's secret daughter your mom loved you but didn't want people to know so your dad took you in and said that it was a one night stand with a muggle-born witch that did not want you so he took you but you knew the truth he didn't like lying to you. You don't like Harry and he doesn't know that your his sister what will happen when he finds out what will happen when you fall for the young Malfoy? read to find out.