Tuppul Korean Steakhouse Gwanghwamun is a Korean beef restaurant in the basement of SFC in Gwanghwamun, Seoul, serving hanwoo sirloin and tenderloin. The menu includes aged sirloin, yukhoe, and chadol bokkeumbap, and staff grill the meat for you. At lunch it sells limited items such as galbi poktan bap, and corkage is free if you bring your own wine. When staff are short, you may have to grill the meat yourself.