Work Text:
Snape watched her in his classroom, watched her trace her curved hips around each desk in the dungeon. He felt that image burning itself into his mind, burning away, growing malignant and forming tumor-like growths and infecting him, taking him over—she had become the cancer of his mind.
He knew he couldn’t have her, couldn’t touch her, couldn’t bloody well even want her because it was wrong and she was so young—but her hair, her eyes, her legs, ah! It grew in his head and slowly, ever so slowly, drove him mad in obsession and desire. And he couldn’t stop.