Kkin Kkin is a Thai restaurant on the second floor near Hapjeong Station in Seoul. It serves mu kruep, green curry, pad thai, and tom yum goong close to how they taste in Thailand, and egg can be added to the shrimp pad thai. At 12:30 PM on a weekday there were open tables, and the dining room is decorated with Thai items with green trees visible outside the window. Orders are placed by QR code.