A happy face painted on the side of a shop/restaurant in one of the small streets off Chungmuro 3(sam)-ga (충무로3가), in Jung-gu (중구), Seoul (서울).
The shop appears to be selling waffle sandwiches, the poster is titled '바니샌드와플' or 'Barney Sand Waffles'.
Straightened in Capture NX 2
Selective Curves adjustment in Capture NX 2 to add contrast