The limited express Nikko and Kinugawa. The train connects Shinjuku and Nikko, Kinugawa Onsen directly
The limited express Nikko and Kinugawa are JR's limited express train which run between Shinjuku and Nikko, Kinugawa Onsen. But these trains run on Tobu Railway line partially. This train is covered by JR East Pass and Tokyo Wide Pass fully. But JR pass covers it partially. You can find the information of this train in this post.
Aizu Wakamatsu, Fukushima, Koriyama, Nikko, Kinugawa-OnsenLimited ExpressNikkoPrivate companyShinjukuTips for Japan Rail PassTokyo