Hwajeon Guksu is a noodle shop in the alleys of Seomyeon, Busan, serving onguksu and beef gukbap. Its main dishes are bibim guksu and onguksu, and it also sells beef gukbap. The shop has been open long enough to have regulars who have been coming for over 12 years, and when no seats are free, sharing a table is the norm. Payment is upfront, and cash or bank transfer is required instead of cards.