>You look into her blue eyes, they bring such a smile onto your face
>She giggles as you tickle her a little
>Your hand slowly tickles her ever so gently
>She sees your going lower and lower
>The look in her eye shows confusion
>You stick one finger in her tight pony pussy
>She is shocked and starts to cry possibly from the pain
>You don't care since soon enough it will be over
>You stop once you hear crying from the Twin's bedroom
"Don't worry baby cake, just gotta see what Pound Cake is crying about"
>You find an angry Pound Cake giving a mean glare
>You go through procedure the Cakes showed you on how to deal with him
"Nothing...sigh stupid baby"
>You head back to Pinkie's room
>You go over to her and take off your pants
>You put your cock in front of her face
>She has a disgusted look on her face
"Lick it"
>You give her an ordering look
>She slowly licks it with disgust
>How much joy it brings to you
>Her looks of displeasure just excites you even more
>So much excitement you get that you cum all over her face and mane
>With that done you pull your pants up
"Thanks Pumpkin"
>You wipe her face and mane clean with her blanket
>You take her over to her crib 
>You tuck her in with a big smile
>Her nasty look just makes you laugh
"Don't worry, I'll tell your parents that you were such a good girl"
>You lay down on Pinkie's bed
>Babysitting sure has its benefits
"Man this bed is comfy, I should ask Pinkie when she comes back where she bought it from"
 
End of Chapter 1 of Babysitting Anon in Equestria
 
Chapter 1.5 -> http://pastebin.com/TRnuA8Fk