The diarchy has ruled in near absolute stable peace for millenia with Celestia and Luna raising and lowering the sun and moon, Twilight Sparkle a unicorn mare, who lived in the lower noble quarter of Canterlot She is blessed with long legs and a figure of a goddess, and she's also an immortal shinso vampire, her goal is to join the night guard to serve her princess of the night. However unbeknownst to the mare Princess Luna has other ideas of how she may serve her.

This is a total rewrite of child of Twilight and the Night
so warning TwiLuna, futa, pregnancy, and Playful Celestia (may Faust have mercy on your souls).
Editor:AuthorGenesis