Matt grits his teeth and tenses at the sudden motion toward him, but squares his shoulders and doesn't retreat.  He can feel sweat beading up on his skin underneath his clothes, and he has to tuck his hands into his pockets to keep them from shaking.  He very, very badly wants to go ahead and activate the Amulet of Thoth.<em>No, Tatami, it's not that time.  You don't know if it's hostile, and you can't afford to put it on the defensive if it isn't.</em>"We're looking for Noriko-Sensei.  Is she here?"