"Well, singular. A nexus, of a sort. Apparently there was a massive scientific experiment that went horridly wrong, created a sort of black hole in the fabric of reality. People from all sorts of different worlds are pulled there."

A pause. Had heard something incorrectly in Edogawa's explanation? "Could... could you repeat that suffix again? Mouri-... san's."

Explanations first, then maybe later everything else.