Akiyoshi is a buffet restaurant near Phra Khanong Station in Bangkok that serves unlimited shabu-shabu. You order beef, pork, chicken, vegetables, mushrooms, and noodles, and choose among shabu-shabu, sukiyaki, or yakiniku. The dining area is large with many tables, so there is ample seating for groups. You have to call staff yourself to order, and responses and food service are slow.