Ichiba Shokudo Yoshi
Long-established market diner (40+ years) on the 2nd floor of Karato Market. Open from 6am, serving Shimonoseki local fish, fugu, and sea urchin fresh from the morning auction. Queue extends outside the door. Selected for Tabelog Teishoku 100 Best 2021. Famous for the 'Yoshi Set' (fugu karaage + giant shrimp fry) and whole-board sea urchin set.
Reviews say 'getting fugu karaage at this price is a miracle of Karato Market' and 'the sea urchin set is a luxury unavailable elsewhere.' TripAdvisor #2 in Shimonoseki (4.0/5, 73 reviews). Regulars say the queue is always worth it.