This story was inspired by the natural disasters that are happening recently.

A boy wakes up to discover a dead Wind Spirit, which, before dying, advices him
that something that may destroy the land he lives in. This incident is a thunderstorm, heavy and
extensive than any other, and that will wash away all life in the land. This disaster is caused
by another Wind Spirit, who has his ideas that the humans have no right to live in their lands, and decides
to wash away the land for the "superior" entities to live in. Although there's another reason which is, that the overpopulation in the Spirit land is causing that the Spirit Land to have less room for the dead, and that in any moment the Spirit Land would collapse, causing havoc in the human world.

Our hero has to find a solution to solve the two situations: The overpopulation in the Spirit World and the Washaway the evil Wind Spirit is plotting.

What kind of game do you think it'd be?
I could easily see it being an adventure or puzzle game. And of course, RPG.

Also, the Evil Wind Spirit plans on killing off people, which would make the Spirit World even more overpopulated and a crisis would happen, right?

He wants to vanish the spirits of the people in the world to make space in the Spirit World
so the spirits in the Spirit World would be there.

But that could be better though.

Overpopulation's new. Don't recall games with overpopulation as a problem aside from those boring sci-fi stuff.
Cool, but if the Wind Spirit's dead, who will be the new one?