second photo from Nana Boutique Nana Boutique 213-ho B-dong Lapestar 768-3 Janghang-dong Ilsan-dong-gu, Goyang-si, Gyeonggi (경기도 고양시 일산동구 장항동 768-3 라페스타 B동 213호) This boutique is where Go Seongbin worked. In the second pcture, you can see Seongbin and Choongki filming their scene. Here's the building facade: If you wish to see more pictures, you can visit Nana Boutique's blog here . IMPORTANT NOTE: This blog post may not be 100% accurate.