Sumiyaki Unagi UOI is an eel restaurant on the dining floor of Hanshin Department Store Umeda Main Store in Umeda, Kita Ward, Osaka. It serves charcoal-grilled freshwater eel over rice and hitsumabushi. The eel rice bowl is lightly seasoned, and the eel itself drew repeated praise. Staff who speak Korean help with ordering and explain how to eat the dish, and the dining room is quiet.