Tsumami (or o-tsumami, not tsunami) are the little side dishes that start the meal, or go with drinks.

30-something star-fecker food porn tourists

YES! I've noticed that pretty much all of the 2- or 3-Michelin-starred Japanese restaurants in Tokyo that I've been to in the past few years have been entirely, or almost entirely, populated by tourists. (Although some of them were over 40.)