Gangsusa is a long-standing Japanese restaurant in Yeonhui-dong, Seoul, serving the gukhwa jeongsik and thick hoe courses. The gukhwa jeongsik includes 14 dishes: hoe, fried items, soup, albap, and watermelon for dessert. The building has many rooms and a second floor, and valet parking is available. The building and rooms are old, and parking is difficult.