The Wyrvren and The Serpant King (slash)

Harry decides to study to become an Animargus, the summer he turns seventeen. He manages to transform into a wyrvren and is sold to Lord Voldemort. Who slowly begins to fall in love with his Wyrvren, thinking perhaps that he is going mad,the Dark Lord becomes determined to stop these feelings at any cost. Having never experienced love before, he doesn't know what's happening to him