Have you been to Shabu-Shabu On-yasai? It is a restaurant of Shabu-shabu which has all-you-can-eat course. First, you can choose two kinds of soup flavor. And then you can order the meats and many other side dishes as you like for 90 minutes. There are almost 90 kinds of food in the course. The cost is about 3000 yen for each person. “On-yasai” is a well known restaurant as high service, so you can have a good time there.