Gyukatsu Kyoto Katsugyu Namba Walk 1st Avenue is a Japanese restaurant in the Namba Walk underground shopping arcade at Namba Station, specializing in gyukatsu. It serves a half-and-half set of sirloin and chuck flap, along with beef tongue gyukatsu, which diners grill to their preferred doneness on a personal stove and eat with wasabi and various sauces. Counter seats are available, making it suitable for eating alone. Rice can be refilled, and on weekday lunchtimes or at 11:30 a.m., customers often enter immediately without waiting.