Sour Sweet and Adagio Dazzle have a lot in common. A lot. But Sunset Shimmer too. Which is very problematic, since Sour and Sunset aren't the best of friends, and Adagio is unaware that there's a rivalry between those two. This is ironic, because they both have personality traits that reflects Adagio's nature.

ATTENTION EVERYPONY: THIS CONTAINS SWEARING