Maguroto Gohan Kurodahan is a Japanese restaurant in Tenjin, Fukuoka that serves tuna rice bowls and kaisen-don. The honmaguro and negitoro bowls can be eaten with soy sauce, the shop's sauce, or as ochazuke. It opens at 11 a.m., and orders are placed by QR code at the table, with the amount of rice adjustable. The wait can run about an hour on days when the line is long.