Draco Malfoy and Harry Potter’s younger sister have spent years perfecting one thing: how much they can’t stand each other. In public, it’s insults, arguments, and a rivalry everyone in Hogwarts recognizes on sight. But behind closed doors, the truth is far more complicated — and far more dangerous. Because what starts as a secret they swear means nothing slowly turns into something neither of them can control. And if anyone ever finds out, it won’t just ruin their reputations… it’ll destroy everything they’ve been pretending to be.