Draco Malfoy is your first real boyfriend. You’ve been dating since fifth year. He’s been patient with you. Never pushing for anything more. He’s your first kiss and probably your first everything. 
Six years after fifth year, you return to Anne Sallow’s grave on her birthday, expecting solitude—and instead find the one person who was never meant to be free.
You always believed you’d end up with Mattheo Riddle. I mean, the giant number above his head said so, right? But when you meet Draco Malfoy, everything changes.