A jewel with a mysterious enchantment leads to the creation of another alicorn of the Sun, thus brewing a storm of drama and... romance?

When Luna created the batponies, her stated goal was they would serve her in mind, soul and body. That third aspect was a little too successful, if a batpony didn't find release within three moons they could go mad. One-shot clopfic of ritual sex.

Cadance is pregnant, yet her heat is stronger than ever. A botched heat suppression potion leads to an interspecies orgy of cream and cake.

An accident leads to a jarring sequence of revelations and confrontations