The line between reality and fiction

The author of the Light and Web novel "Summoning Japan", Minorou finds himself in a difficult situation: his fantasies turned out to be real when, while writing the next chapter of his novel, Japan found themselves in another world, along with another fictional country from the series of games called Ace Combat - the Osean Federation. How will Minoru look at his books and manga now,and how will the two countries survive in the New World?