Restaurant Tatsu is a Japanese-style Western restaurant in Fukuoka that serves demiglace hamburg steak, Japanese-style hamburg steak, and tonkatsu. Standard menu items come with grilled vegetables and hamburg on a hot iron plate, with rice served separately, while service menu items include rice and salad. The vintage space evokes a high-end restaurant from the early 1980s, and Japanese-style omurice and steak are available, with courses that include bread and coffee. Portions are on the small side and only cash payment is accepted.