Slytherin's Courtesan

Tom Riddle has never been one for love, but obsession is a certain talent of his. After a fateful meeting in Diagon Alley, Tom becomes acquainted with a soon to be first-year named Irene Fairchild, his latest obsession. When this little girl arrives at Hogwarts during Tom's 7th year, how will they change each other and those around them?