Steven Universe Future: The Sneople Saga - The Diamondback Empire.

The Sneople have always been considered an urban myth, by the people of Earth, except for conspiracy theorist like Ronaldo Fryman. And in Homeworld, they are but a forgotten memory, known only to the oldest Diamond. But being forgotten does not mean the Sneople themselves forget. They have been ruling behind the scenes over multiple planets civilizations. Their sinister rule, only hindered by the oldest of the Diamond Courts, the Court of White, who themselves are long forgotten battling the unseen enemy at the fringes of the Universe. But with new policies thanks to Steven, things are about to change. Hidden enemies are about to be revealed, and ancient loyalties about to be broken. All paving the rise, of the hidden ruler of the Sneople or the Serpentine as they call themselves. The rise of the first organic Diamond hybrid, Diamondback, son of the oldest of the Diamonds, the forgotten Black Diamond.