An alien race known as 'Changelings' provides peace and security throughout all of known space. New arrivals, such as Shining Armor, are welcomed by integrating them into the changeling breeding population ... if they can be convinced to do so.

Changelings in this story are anthro. Shining Armor, Cadance, Twilight, and the others are all Equestria Girls humans.

Contains: female on female, male on female, futa on male, oviposition, egg implantation impregnation, regular impregnation, parasitic pregnancy, death, brief gore (in epilogue only), translucent body, threesome, partner sharing.
Cover art by threewontoo.