Alternatives of Overnight train Twilight Express, in case that you cannot make a reservation.
***Twilight Express was discontinued in 12 March, 2015. There is no overnight train option between Osaka and Hokkaido ...
2014.06.17
Aomori, Shin-Aomori, HirosakiHakodate, Shin-Hakodate-HokutoOsaka, Shin-Osaka, Namba, TennojiOvernight TrainsSapporo, New Chitose Airport