Nakau: Special "Lunch Sets" for 500 yen, 600 yen, and 690 yen! Oyako-don and tantan-udon sets are a bargain at 240 yen!
A limited number of Nakau restaurants are offering special "lunch sets": two sets for 500 yen, two sets for 600 yen, and two sets for 690 yen each, for a total of six items.