Professor Oak, whose full name was Samuel Oak, had once studied science and engineering at Rainbow University. He was an authority on Pokémon research, with his primary field of study being "the relationship between Pokémon and humans."
As a professor, Professor Oak's favorite pastime was researching those rare and unusual Pokémon.
For the past six years, Professor Oak had been trying to determine the pattern behind the appearances of the Legendary Pokémon Ho-Oh.
Over the years, Ho-Oh had frequently appeared in the human world, and every one of his appearances caused quite a stir.
In academic circles dedicated to Pokémon research, he had driven countless people into a frenzy.
According to humanity's research thus far, the existence of these Legendary Pokémon was inextricably linked to this world.
For example, there were the legends of the God of Time and the God of Space passed down in the Sinnoh Region.
Or the two Legendary Pokémon in Hoenn Region said to have created the land and sea.
Ho-Oh must also have played a major role in this world.
Countless scholars began researching the reasons behind Ho-Oh's appearances, as well as the identity of the mysterious child on his back, attempting to uncover the truth hidden behind it all.
Yet six years had passed, and the entire Pokémon research community had gained nothing.
That was because Ho-Oh's appearances followed no pattern whatsoever. For instance, he had clearly appeared in Ecruteak City of the Johto Region last time, yet he might head to the Orange Islands the next.
When people turned their attention to the Orange Islands, Ho-Oh would instead quietly arrive in the Kanto Region.
Such utterly unpredictable movements drove countless scholars to despair.
Even Professor Oak, an authority in academia, had no clue about it.
And so, even though he had brought