Between Light and Shadow / Mattheo Riddle Fic.

Elyse Black was never supposed to stand out.
As the second Black ever sorted into Gryffindor, she has one simple rule: keep her head down and avoid unnecessary attention. Unfortunately, that's nearly impossible when your surname is Black... and when you happen to be friends with the Boy Who Lived. At Hogwarts, even breathing near Harry Potter is enough to make you a target.
But Elyse's quiet life shatters the moment she accepts a dangerous mission - spy on the Dark Lord's son.
Mattheo Riddle is everything a Slytherin prince should be: arrogant, ruthless, and completely indifferent to the feelings of others. As Voldemort's son, very few people at Hogwarts dare to challenge him. Most students know better than to cross him.
All except one stubborn Gryffindor who refuses to keep her mouth shut.
What begins as a game of manipulation soon turns into something far more complicated. Elyse knows she's only getting close to Mattheo to uncover his secrets. Mattheo knows she's hiding something.
They both understand they're using each other.
But the closer they get, the harder it becomes to tell where the lies end... and where something real begins.

Harry Potter and its characters belong to J.K. Rowling. I own nothing except my original characters and plot. No profit intended.