Going to Japan is not complete without going for a hot spring bath, right? So in our December 2013 trip to Tokyo, we knew we had to find a good spot for a nice warm relaxing bath. Swimsuit onsen, Shin-Urayasu If you love Japanese culture, I bet you have come across the onsen culture. Onsen or hot spring, as we know it in English, is so popular in Japan that there are specific onsen towns where you can find hot spring water pretty …