Hang on!
Are these people Japaneses? They seem to understand it enough to use the pun between Shutou the food and shutou as written in Kanji there. And yet, they keep calling draft beer as "Toriaezu Nama".
So... after getting report of a supposed thievery in progress and the guard arriving at the scene there was what, half an hour or so, judging by customers happily eating? Taisho'd be wise to invest in some self-defence equipment.