Wealthy travelers from Japan and abroad are continuing to flock to Kyushu Railway Co.'s luxury "cruise train," prompting other railways to offer similar tours to overcome a stagnant commuter market.

Kyushu Railway, better known as JR Kyushu, launched Seven Stars in Kyushu, which does a loop around the island, in October 2013.

Starting and finishing at Hakata Station in Fukuoka Prefecture, the sightseeing train comprises seven coaches with 14 suites along with a lounge car and dining car. Each journey is limited to just 30 passengers.