The 87 series (87系), branded Twilight Express Mizukaze (TWILIGHT EXPRESS 瑞風), is a luxury hybrid diesel multiple unit (DMU) sleeping-car excursion train operated by West Japan Railway Company (JR West) in Japan since 17 June 2017.

[1] With a capacity of 34 passengers,[2] the train is used on excursions in the Keihanshin, Sanin, and Sanyo regions of western Japan.

[7] On-board catering will be overseen by food columnist Takeshi Kadokami (門上 武司), with some of the menus designed by chef Yoshihiro Murata (村田 吉弘), owner of the Kikunoi restaurant in Kyoto, and Hajime Yoneda (米田 肇), owner of the Hajime restaurant.

[6] The following five tour routes will be offered:[8] JR West first announced its plans to build a new luxury cruising train in May 2014.

[6] The first five intermediate cars of the ten-car trainset were delivered from the Kawasaki Heavy Industries factory in Kobe in March 2016.