The Secret Riddle

Aspen Marie Miller is a 15-year-old girl in Gryffindor. She's a nerd and not very social. Everyone wonders why she is in Gryffindor.
Charlie Weasley is a 15-year-old boy in Gryffindor. He is outgoing and loves adventure. Everyone knows why his in Gryffindor.
Aspen never expected to be paired with Charlie Weasley for the Prefect's rounds. Their both so different, one is wild, one is tame.
While Charlie has girls lining up for him, Aspen has no one.
She has a secret, one that could potentially make her even more of an outcast.
What's that secret you ask? She is Voldemort's secret daughter. Dumbledore let her use a different last name for Hogwarts. She lives with muggles though, Dumbledore saved her.
How will people discover the secret, and will people think differently of her?