Tokyo Gyukatsu Oncheoncheon serves gyukatsu and tonkatsu in the Oncheoncheon cafe street in Dongnae-gu, Busan. The gyukatsu is grilled at the table and eaten with butter, garlic sauce, and wasabi, alongside cheese tonkatsu and gyoza. It opens Saturday and Sunday from noon to 4 p.m. and is closed on weekdays. Tables turn over slowly, so waits are common.