Lilly and the Flutter (Messy) (Pixiv Fanbox)

Reward for A Raving Madman Who wanted their Vaporeon OC Lilly, to be swapping squishy diapers with Fluttershy. They were a bit nervous to actually do it, but seeing each other in such warm and packed pampers, they just had to try each others' out. ;^o^ It was...an experience