Ttangkkut Maeul Maesaengi Gul Gukbap is a Korean restaurant near Yongsan I'Park Mall in Seoul that serves gukbap made with maesaengi and oysters. The maesaengi gul gukbap has a sea aroma without added seasoning, and side dishes come with it. At lunchtime many solo diners eat there, and side dishes are served after you sit down and order. The portions of oysters and rice are on the small side.