Seraphina “Sera” Potter has always known three things: Lily and James Potter were her parents, Harry Potter was her little brother, and Professor Severus Snape absolutely hated her. At least, that’s what she believed. Now sixteen and in her fifth year at Hogwarts, Sera has grown accustomed to being the strange Potter who was sorted into Slytherin. With her mother’s unmistakable green eyes, mysterious talent for Potions, and a personality that clashes spectacularly with Snape’s, she has spent years wondering why the cold Potions professor seems to watch her more closely than anyone else. Then Sera discovers an old photograph hidden inside Snape’s office. One photograph. One secret. One truth capable of changing everything she thought she knew about herself. Severus Snape is her biological father. Suddenly, every detention, argument, lingering glance, and strangely protective moment takes on an entirely different meaning. Snape never hated her—he was protecting the daughter he believed he could never openly claim. But sixteen years of secrets can’t be erased with one revelation. Caught between the father who gave her life and the father who chose to raise her, Sera must decide whether Severus deserves a place in her heart without feeling as though she’s betraying James. Meanwhile, Harry struggles with the revelation about his sister, Sirius refuses to trust Snape’s intentions, and Dumbledore must answer for keeping the truth hidden. And then there’s Mattheo Riddle. Dangerous, charming, infuriating Mattheo—the one boy who makes Sera forget about everything she’s supposed to be. As their flirtation develops into something much deeper, Sera finds herself falling for the exact kind of boy her newly discovered, extremely overprotective father wants nowhere near his daughter. Family secrets. Forbidden romance. Old grudges. A brewing war. Sera spent her entire life believing she was a Potter. Now she’s about to discover what it t