Drive-in Michishio
Famous drive-in known as the home of Yamaguchi's soul food 'shellfish miso soup,' selling up to 1,500 bowls a day. Changed from 24-hour to 7 AM-1 AM operation in 2024 due to logistics industry labor reform, but remains active. Large 250-seat facility with hormone udon and set meals. Touch-panel ordering and serving robots meet old-school diner ambiance. Credit cards accepted. Takeout and mail order available.
Tabelog 3.50 (663 reviews), Yahoo Maps 4.09, TripAdvisor #1 in Sanyo-Onoda. Nationwide reviews say 'always stop here when visiting Yamaguchi' and 'shellfish soup is Yamaguchi's pride.' A landmark open even until midnight. Popularity continues after hours change from 24h to 7AM-1AM.