http://news.yahoo.com/japan-39-love-hot ... 02346.html
The comments are more interesting than the article.
"The room was really long and narrow (about as long as three or four normal hotel rooms), and the bed was on a flat car pulled by a fake steam engine Train........ The girl was really hot, and we almost derailed the thing. "
"In another room in the same hotel, a friend of mine broke their arm when they accidentally fell off a huge sliding board that was supposed to land you in the big bed at the bottom. Arm in a cast for two month. "