Severus Snape: youngest British potions Master in the past century, turning out only the best students from his NEWT classes. Along comes Harry Potter, about to turn his world upside down. A time travel fix-it told from the perspective of a man who hasn't the foggiest what is going on. Master of Death MOD!Harry. HP/SS Snarry Slash. Adult content. Betad by Eider Down.