Hoho Sikdang Seongsu is a Japanese restaurant in a converted two-story house next to Seoul Forest, about a 10-minute walk from Ttukseom Station. It serves omurice, tonkatsu, bukkake udon, and kaisendon, with a range of Japanese home-style dishes in a spacious interior decorated with rattan. Naver reservations are available, so you can enter without waiting. Portions are on the small side.