Shirou never expected to be summoned to another world, but now all he wants to do is finish save it so that he could return home to his family. But it order to return home, he will first have to survive. First rule of surviving as a summoned hero, don't trust ANYONE.

Ash is having the time of his life in Alola. Meanwhile, something dark is brewing back in Kalos. Greninja stumbles upon something terrifying and tries to warn Ash. It all gets much worse from there before it gets any better.

Life as a ninja. It starts with confusion and terror and doesn't get any better from there. OC Self-insert. No pairings.