Love powers over all else

Angelique Potter is the true child who loved but her brother got credit for it. She goes dark like her sister and godfather like figure Remus Lupin. While her brother becomes fat and spoiled she neglected,graduates the best magic school at 13 and becomes Severus Snape apprentice. She goes to Hogwarts and finds herself with a dark boyfriend and in the Triwizard tornument. She's dark