The Muggle in Hogwarts and The Secrets of Dark Arts

Struggling, depressed and trapped, Azelleas Medlar, has a feeling of abnormality towards themselves. Being adopted when their parents passed away unknowingly, they were taken in by their aunt, along with her two children. They are constantly being treated unfairly and decides to flee the home.
They find themselves at an old bridge, and looks over the edge, they end up falling in. Their thoughts of dying due to drowning kept running across their mind. But little did they know their life was just about to get started.