Samdong Soba Busan Gijang serves soba and udon at a Japanese restaurant in Gijang, Busan. The menu includes cold soba, beef udon set, tuna mayo inari sushi, and deep-fried snow crab. Samdong Udon has chewy noodles and a standard udon broth, while the sundubu jjamppong udon contains bean sprouts and meat. Wait times are long during busy hours.