Years ago, Tom Riddle had two children. One was Mattheo Riddle. The other was a daughter he sent to be executed. Unfortunately for him, Severus Snape refused to kill an innocent child. So he raised the girl as his own. Now, Y/N—the daughter of Tom Riddle—is transferring to Hogwarts in her sixth year. And Hogwarts just happens to be the school her twin brother goes to. Now, the past is rising into the future as people start to suspect Mattheo and Y/N are related due to their behavior patterns. And Tom Riddle is met with the terrifying truth: His daughter is still alive. And she's figuring out her true identity.