Resided in You - Mattheo Riddle

He hates her. She fucking despises him. There's almost zero possibility this is going to end well.

Thea Granger, forced to move to Hogwarts after an unexpected incident, struggles to find herself in the new school, battling her family, finding new allies and, well, trying to fucking survive. She wouldn't have guessed that among all the commotion, something as stupid as a boy would be stuck in her mind. Especially a boy that she hates with every fucking fibre of her being.