Hi Kaosan is a restaurant in Dangsan-dong that serves Thai and Southeast Asian dishes. It sits near the back gate of Big Market in Dangsan-dong 4-ga, Yeongdeungpo-gu, Seoul. The menu includes pad thai and other Thai dishes, and delivery orders are accepted. The pad thai does not become soggy when delivered, the overall flavor is decent, and the sweetness of the food is on the strong side.