When young princess, Crystallized Radiance, makes a wish for to be a normal pony instead of a regal alicorn, her 'normal' body is traded for another and the only way she can return is to fall in love with another pony within 5 years or she'll stay like this forever.

Note:Okay, the cover art is a little off but you'll find that out later. And yes, slice of life. This story will have that basic bringing of slice of life, doesn't ask much more.