Yoshizuka Unagiya is a freshwater eel restaurant near the Nakasu River in Fukuoka that serves unagi don and unaju. Unagi don places eel on top of rice, while unaju serves eel and rice separately, both infused with charcoal aroma and a sweet-savory sauce. Waiting tickets are issued at 10:00 AM, entry begins at 10:30 AM in numerical order, and real-time waiting status can be checked on a tablet on the second floor. On weekends and at lunch, waits have ranged from 30 minutes to 1 hour 40 minutes.