The mane 6 are kidnapped. First, they were laid onto a machine, and next were being cared for by... roboponies. Robot ponies. They are regressed with no pony to save them, that is until Flurry Heart and Cadence come to the rescue.
WARNING: CONTAINS GROWN PONIES IN DIAPERS AND DIAPER USAGE. IF YOU DO NOT ENJOY THESE THINGS THEN DON'T READ!
This was a request from https://www.fimfiction.net/user/Psalty123
Kooky Gadget belongs to https://www.fimfiction.net/user/Psalty123
Nifty Gizmo belongs to https://www.fimfiction.net/user/Psalty123