Battle of Hogwarts

the Battle of Hogwarts has begun but it's a little different there's this girl who's part human part demon ans her name is molly and she's apart of sytherin and is madly in love with Draco malfoy and molly and Draco malfoy are girlfriend and boyfriend and molly does know that Draco malfoy is a death eater and molly loves draco no matter what and now since tge Hogwarts battle begins things get bad