Misty Fly wants to pull a small prank on Rainbow Dash, just a little good humored fun among teammates, right? So, she enlists the help of her friend, Cookie Cake to help out, so she doesn't get caught messing with Dash's stuff.

Unfortunately for Cookie, the plan involves her being shrunk down to a couple inches to get into Dash's locker, and things don't end up going as planned...

Contains Giantess, shrinking, sweat, clothing entrapment, unaware, female ejaculation, mare-on-mare