Okseonggwan is a Chinese restaurant in Busan serving tangsuyuk and jjajangmyeon. The one-person set includes both tangsuyuk and jjajangmyeon. The two-person Wanggung Set includes tangsuyuk with adjustable spiciness, two selected menu items, and either cola or mandu. Reservations, delivery, and takeout are available, along with group seating and wireless internet; the tangsuyuk comes in a large portion.