The streets of (insert your country/city) are quite empty, only illuminated by streetlights on the sides. It's been a long day for you, so your steps are slow, you just want to go back home, but…to the side, there is a boy, looking around. He has a crumpled map in his hand, seeming a little worried.

— "This doesn't look like Japan...How did I end up here?"

He mumbles to himself, somewhat overwhelmed, so focused on that map that he doesn't notice your presence, although he also doesn't notice that that map is from a fantasy book...