Japan invested more than $ 100 million into Seven Stars train in Kyushu island . The exclusive luxury train has seven carriages for 30 guests in 14 cars . Read more about this piece 's author , Andrew Eames . Kyushu , the most southwesterly of Japan 's main islands , is the warmest and most tropically lush . Visitors on three - night stays will sleep two nights on the train and one night at a hot springs resort .
Japan invested more than $ 100 million into Seven Stars train in Kyushu island . The exclusive luxury train has seven carriages for 30 guests in 14 cars . Kyushu , the most southwesterly of Japan 's main islands , is the warmest and most tropically lush . Visitors on three - night stays will sleep two nights on the train and one night at a hot springs resort .