A picture book cherished since childhood, "Peach Kingdom." A typical adventure tale where the prince of the Peach Kingdom joins hands with princes of other fruit kingdoms to defeat monsters and save the world.

Now, that picture book has fallen from the bookshelf on its own and begun to glow. The light is so bright it's impossible to keep one's eyes open, and you instinctively shuts them.

When they open their eyes again, there stands a man who looks exactly like the protagonist of "Peach Kingdom," and a boy who looks like a child version of him...