Kurobuta Tonkatsu Kuromatsu is a restaurant in Fukuoka that serves tonkatsu made with black pork. The menu includes a set with both loin and tenderloin, chateaubriand, hirekatsu, and korokke, and the cabbage is refilled. A line forms before the 11 a.m. opening, and customers wait in an indoor waiting area before handing their ticket from the vending machine to the staff to order. The wait can exceed 30 to 40 minutes.