The Unexpected Summon

How would you fair if you go from normal everyday humdrum to suddenly being in another world? Of course many would hope for the cheat like abilities we've often read about, but what if you seem to be normal but are still different?

This story takes place initially on Earth, and our MC ends up in a known but different world before; he's elsewhere and elseway. Join Auror Maitre as he goes from everyday humdrum to being...A SUMMON!!