Occumy at Hogwarts

Hadrian "Harry" Potter is going into his fifth year at Hogwarts. He's a Slytherin. He knows everything that Dumbledore has pulled and he's not taking it anymore. While shopping for himself in Diagon, Hadrian finds an odd egg. He keeps it only to find himself having an Occumy as a familiar. What are the odds he'll survive the end of the year. Weird things just happen to him.