When Harry was left on the Dursley's doorstep, Petunia quickly realised he couldn't stay. Where else to leave him but with the very person who'd first lured her sister into the magical world all those years ago? With a very different upbringing on Diagon Alley, it's not exactly the same Harry that arrives at Hogwarts ten years later.

Harry gets a unique opportunity to get to know Severus Snape. Who knew Snape would turn out to be a cat person? 8th year at Hogwarts, Snape!lives, animagus fic, rated M for later scenes of slash.