Hongkong Banjeom 0410 Hongdae-ipgu-yeokjeom is a Chinese restaurant near Hongdae-ipgu-yeok that serves jjajangmyeon, jjamppong, and tangsuyuk. The jjajangmyeon arrives within a minute of ordering, and the chapssal tangsuyuk has a chewy fried coating. Staff wipe empty tables with disinfectant, and payment is made in advance at the counter. Food comes out so quickly that it can be hard to eat before it cools.