Yakiniku Rikimaru Nankai Namba is a yakiniku restaurant near Nankai Namba Station in Osaka that serves wagyu. Its signature style is an all-you-can-eat course of wagyu sirloin, thick beef tongue, and galbi. At 5:30 PM you can sit down without a reservation, but from 6 PM a wait grows substantially. When orders pile up, food comes out late.