O Hansu Uyukmyeonga Seongsu Station Branch is a Chinese restaurant near Seongsu Station that serves Hong Kong-style beef brisket noodles and fried dumplings. The beef noodles come with thin noodles and a rich beef brisket broth, and noodles and cilantro can be added at no charge. Orders and payment are made at a kiosk on each table, and bowls of rice are added by telling a staff member. Adding a bowl of rice must be requested from a staff member separately, not through the kiosk.