The world is a dark, brooding place populated by humans, but ruled in reality by powerful beings known as the Darkstalkers, and there is constant conflict between them as they try to determine who is the most powerful of them all. Zombies, vampires, werewolves - all of them compete in contests of strength and sheer will to attain their own personal goals. All of this becomes moot when a race of Aztec robots called the Huitzil decide that humanity isn't worth saving, and start waging war on the world, while in the sky, a solar god from outer space plots the conquest of Earth. And the Darkstalkers must become unwilling allies in order to save the world.

In 356 BC, Alexander the Great arrives in Greece with the ominous destiny that he will become the "destroyer of the world." Inheriting the crown, he becomes king of the Macedonians and starts down a road of conquest with terrific speed. Alexander ultimately confronts his fated nemesis, Darius the Third, in a war with Persia which changes Alexander into the devil he was fated to become, assuring the destruction of all in his path, and possibly himself.

A series of comedic shorts featuring chibi versions of the characters of the main show.

Afraid that his life may end at any moment, Otto Suwen begins writing a diary documenting all of his experiences. Now part of Subaru Natsuki's eccentric band of colorful characters, the apprehensive merchant is certain that new dangers lie ahead in their mission at Sanctuary. But amid the rising tensions, there are still moments of respite and reflection, ripe with opportunities to make vivid memories.