Bistro O is a restaurant in Tenjin, Fukuoka that serves Western American dishes and hamburg steak. Chicken nanban and karaage are cooked to order, and the set includes unlimited rice, curry, mentaiko, and squid jeotgal side dishes. After the meal, you can request the rice in ochazuke style, and the lunch set also comes with coffee and dessert. The interior is small, and food takes time to arrive after ordering.