(Verry short)
You walk into the room and no one seems to notice because if the noise level 'oh thank wall Maria" you thought with a sigh as you sat down in the centre of the class 5 minutes later the senseis came in "ok,ok class settle down" they said as they made there way to the podium(?) and they did just that "ok now that your all calm I have an announcement..
'Oh shoot'you thought with a deadpan look
...we have a new student,would you like to introduce yourself?"