Interesting! Lemme me know how it goes. I'm totally cool with spoilers, in fact, I love them! (:
As much as I want to, I don't really have the time to spare, haha. @_@ It's amazing that you're doing an AA advent calendar, love the dedication!
Only PMD Blue and Sky for me! Speaking of the series, it seems like we've reached the end of PMD. I mean there's no PMD Sun and Moon, so yeah...
Nice song, I like it :D