[4] Manufacture of the passenger coaches was split between Hitachi in Kudamatsu, Yamaguchi, and JR Kyushu's Kokura Works in Kitakyushu.

[6] The rear car of the train features two deluxe suites with observation windows at the end.

[2] All suites have their own toilets and shower facilities, designed in porcelain by the late Sakaida Kakiemon XIV.

[9][10] The train operates on two-day and four-day circular tours of Kyushu, starting and finishing at Hakata Station.

[10] The dedicated Class DF200-7000 diesel locomotive for this train was delivered to JR Kyushu's Oita Depot from the Kawasaki Heavy Industries Rolling Stock Company in Kobe on 2 July 2013.