Starlight Glimmer wants to impress Twilight by scientifically studying the properties of Poison Joke. Things go wrong however (extremely late into the story for some reason) and Starlight finds herself towering over pretty much everything around her. Twilight is away, and Spike is busy with other things.
Can she keep hiding her little big accident from Twilight and Spike?
Starlight soon ends up relying on one of her closest friends for help. A very great and powerful friend, in fact.

Picture hastily drawn by me. I also apologize, the story writing is very childishly written (lots of sentences starting with names and lots of "whiles" plauging my writing.) I also haven't thought of the ending yet, so this fic might be unfinished for a while.