[Monstar] Kang Haneul & Ha Yeonsoo in front of 커피별녹색잔 (Coffee in Green Cup)


커피별녹색잔 (Coffee Byeolnogsaekjan)
115-2 Sugyeok-dong, Jongro-gu, Seoul

From where Nana (Dahee) was walking, just go straight and you'll get to where Seonwoo and Seyi had their first 'date'. 
I haven't actually watched the episode fully yet as I upload this and I'm guessing of some love-triangle scene later. LOL

For more pictures of this cozy cafe, check out this blog.
or just fly to Seoul immediately.

NOTE:
This blog post may not be 100% accurate.