snape's new dog

Sirius/Severus (bottom Sev) Padfoot is wondering around a muggle town when Severus sees him and thinking he's a stray he adopts him Sirius wanting to prank the sour professor let's himself be adopted only to change him plan when he sees how Severus acts when no one's around. Mentions of child abuse:sexual physical emotional. There will be sex in later chapters.