Forbidden love? (Dracoxreader)

An Au where it takes place in a modern day high school called Hogwarts high. In this world, the Malfoys and The Potters are friends and alive. Draco and Harry have been the very best friends for as long as they could remember. They're as close as brothers considering that they basically are like family. Y/N Lilian Potter (Lily is her nickname) is the younger sister of Harry by only a year. She soon enters High school with her brother and his best friend. Draco and Y/N have almost the same relationship as he has with Harry. But will that change one faithful evening together? Will Draco and Y/N ever be together, or is the love forbidden? How will Harry react when he sees Draco becoming protective and jealous over his sister? Especially when there is a gang called the deatheaters which is run by the leader Tom Riddle that's been making the news for all the wrong reasons. Will Draco and Y/N be together, and will Harry ever approve?

Disclaimer: I don't own any of these characters, all rights belong to J.K. Rowling. I only own the plot.