LFS: Harry and friends sent to alternate reality
harry and several others are running from or escaping from death eaters and somehow get transported to an AR where severus and sirius are best friends and i think Hogwarts teachers, Lily is married to Remus. James is jerk married to someone else. Long really good story with a final happy ending. Have gone thru my saved stories and bookmarks but can't find it -please help. 99 % of what i read is on fanfiction or Ao3 if that helps