Sassaflash was enjoying a milkshake in Sugarcube Corner with her best friend Sea Swirl, when a wave of magic spread throughout Equestria and transformed her into a yellow dog/rabbit/cat-thing. The good news is that now she has awesome lightning powers and can run faster than ever before. The bad news is that Equestria is struggling to cope.

Side-story to Twilight Sparkle is an Espeon Now that was written with permission from Starscribe. I’d recommend reading that first, because this fanfic won’t make sense otherwise and contains spoilers for it.