Pinkie's older twin sisters, Blinkie Pie and Inkie Pie, visits her in Ponyville many times to hang out and spend time with her; as well as hanging around the Cake family. However, the Cake's son, Pound Cake, has developed a secret, dirty crush on Pinkie's sisters over time; feeling nervous and awkward ever time they're around.
One day, when Blinkie and Inkie find themselves babysitting the Cake twins as a favor to Mr. and Mrs. Cake and their young sister, the young Pegasus is in for a little surprise.

(A special one-shot clop-fic)

Pound is around the pre-teen age in this story... and yes, he has his cutiemark.