When they overhear a few patrons at Sugarcube Corner running their mouths about Mrs Cake's relationship and family situation, Pinkie decides it's her duty to comfort the older mare. However, she accidentally lets slip a few details she should not be aware of, namely regarding the size of Mr Cake's endowment. When confronted with it, it doesn't take her long to confess how exactly she ended up aware of those things.

Mrs Cake isn't angry at her, though. In fact, to the mare's own surprise, her reaction ends up being quite the antithesis of a negative one. And once her husband agrees with her...

Contains: accidental voyeurism, masturbation, discussions of kink and consent, ffm threesome, impressively large male endowments, double titjob, nipple play, impregnation, and Pinkie being Pinkie

A commission for SecondSeraphim.

Cover art cropped from image number 2575783 on Derpibooru.