Calvin is now the proud father of a pre-started family. Dinky Hooves and her sister Sparkler, the daughters of Derpy Hooves, have turned their trust to their new father in the hopes that he can help them out with their everyday troubles
A new bully strikes fear into everypony at Ponyville Schoolhouse, and her name is Dinky Doo! She's the baddest of the bad, and it falls to Cheerilee to set the filly straight before it's too late, at least according to Dinky herself.
Derpy and Celestia are both very prominant figures in Equestria, but somehow manage to fade into the background. Surely that's where the similarities end. (Random Romance Mar2014)
This reads more as a summary of a short story than a short story, but it's a good place to start.