A space filled with deathly silence and desolation.
Floating islands hovered in midair, defying gravity. Withered trees hung upside down upon them, and even the water surfaces were inverted.
Every trace of this place made it seem utterly absurd.
This was the ruined world.
Or rather, the reverse side of the world known as the Reversal World.
It was also the realm ruled by the exiled Dragon of Reversal, hidden within the shadow of creation myths.
It had absolutely nothing to do with the Spirit World, where Ghost-type Pokémon and the souls of the dead resided.
Originally, the Reversal World should have contained only one living being: the exiled Dragon of Reversal.
Yet now, a figure who should never have appeared here flipped down from the back of a huge, ancient creature radiating savage might and landed on a small floating island.
Looking closer, that figure was unmistakably human.
He had striking blond hair, wore a blue-and-yellow cap, and carried a traveler's pack adorned with striped scrolls and red-and-white decorations.
He was dressed like a traveling merchant, with the emblem of the Ginkgo Guild, Hisui Region's renowned merchant guild, printed on the white fabric over his chest. No matter how one looked at him, he seemed utterly out of place in this myth-laden environment.
Yet he had descended from this world's master.
That meant he had either earned its recognition or formed a cooperative relationship with it.
He was Wanderer, currently nothing more than an ordinary traveling merchant of the Ginkgo Guild.
When Wanderer finally pulled his gaze away from the inverted water above his head, which reflected the sea of lava in the Obsidian Fieldlands of the real world...
A pair of crimson eyes, oppressive merely by existing, turned toward him.
With only a slight lift of his