How much do I love this? (That's a rhetorical question, mind!) The characters (and characterizations!) are perfect, and your magical magicness is brilliant! All the little details, like the crups, the Honeydukes passageway, Sirius' flat and his dirty laundry, Remus' head in the floo, really bring everything to life so vividly. I love the humor, and I really loved that it was Rosmerta who seduced Sirius, though of course he would have had filthy dreams enough. :-P
Fantastic story as always, you fail-at-anon author! Loved it! ♥ ♥ ♥