[NSFW] A new creature comes along and begins to find a way to take over Equestria, one mare at a time.

Spike's sexual fantasy corrupts the Crystal Heart, changing several ponies into rather sex-driven ways of life.

The timeline where Sombra comes back and wages war with Equestria results in Sombra's victory. The result is a sexy victory party.

Two men have an uncanny attractiveness angle about them. For whatever reason it helps them do whatever they wish with others.

The caribou have ruled Equestria for nearly two decades. The new generation of stallions and mares are now a part of the Caribou based society but in a more natural way.