Ryuen is located at 116-2 Kusatsu 377-1711, Azuma-gun, Gunma Prefecture. It is located on the second floor next to Yubata. The food is delicious, especially the dumplings and spring rolls. Many people order them. I think they are popular. In addition, the Sichuan Dandan noodles are not It's spicy and a little salty, which is probably the Japanese taste. There are also a variety of dishes to order if you are coming with a group.