The was a sleeper train service operated in Japan by Kyushu Railway Company (JR Kyushu), which ran from Kyoto to Kumamoto, passing through Osaka, Okayama, Kokura, and Hakata. It once extended to Nishi-Kagoshima. The journey between Kyoto and Kumamoto was and took approximately  hours.

The Naha was coupled to the Akatsuki between Kyoto Station and Tosu Station.

Due to falling passenger numbers, both the Naha and Akatsuki services ceased following the March 15, 2008, timetable revision.

Schedule Timetable of Naha, as of March 2008 before its discontinuation:

kmStationTrain 31forKumamotoTrain 32forKyoto0.0Kyoto20:02Dp 7:53Ar 39.0Shin-Osaka20:28Ar 7:24Dp 20:35Dp 7:24Ar 42.8Osaka20:41Ar 7:19Dp 20:47Dp 7:17Ar 73.4Sannomiya21:10Ar 6:53Dp 21:11Dp 6:52Ar 130.7Himeji21:53Ar 6:08Dp 21:55Dp 6:06Ar 219.3Okayama23:00Ar 5:03Dp 23:02Dp 5:01Ar 235.2Kurashiki23:16Ar 4:48Dp 23:16Dp 4:47Ar 277.6Fukuyama23:49Ar 4:16Dp 23:50Dp 4:16Ar 297.7Onomichi0:07Ar ↑0:07Dp 309.2Mihara0:20Ar ↑0:21Dp 535.1Shin-Yamaguchi↓0:49Dp 0:48Ar 560.4Ube↓0:27Dp 0:27Ar 570.2Asa↓0:18Dp 0:17Ar 604.0Shimonoseki4:22Ar 23:49Dp 4:29Dp 23:44Ar 610.3Moji4:36Ar 23:37Dp 4:42Dp 23:31Ar 615.8Kokura4:49Ar 23:24Dp 4:50Dp 23:24Ar 629.7Kurosaki5:04Ar 23:12Dp 5:04Dp 23:12Ar 683.0Hakata5:52Ar 22:31Dp 5:53Dp 22:30Ar 711.6Tosu6:17Ar 22:07Dp 6:23Dp 21:32Ar 718.76:30Ar 21:24Dp 6:31Dp 21:24Ar 752.36:56Ar 20:58Dp 6:56Dp 20:53Ar 801.47:36Ar 20:14Dp

References