You are the Dark Lord's secret daughter. No one knows you are his daughter except for your father. Your best friend Daphne Greengrass posts a picture of you on her Insta and Theodore Nott sees it. Theodore is the son of a death eater. Theo falls in love with your picture and asks daphne to give him your number. You guys start texting and fall in love. The Dark Lord sees love as a weakness, but allows it because Theodore is the son of a death eater. You dont go to Hogwarts.