Some photos of Japanese trains interior for your travel reference. Worry not. Japan trains are clean, spacious and a joy to travel in.
The only downside traveling in those train, for me at least - is that I tend to get sleepy and fall asleep once I was safely seated! LOL
In the Komachi, one of the Akita shinkansen. Psst... The head rest cover had Pokemon motifs on them. The Komachi had pokemon characters emblazoned on the train exterior too.
But of course, Hayabusa got special attention from Zaini when we travelled from Tokyo to Aomori. Hayabusa is after all, the new kid on the block when we were there last year. ^^
A few more
A must and what I personally rate as one of the most (if not the most) important feature especially during long distance travel:
Plus a total lifesaver for hardcore shinkansen traveler who has all sorts of battery-busting gadgets :
When Raimie was smaller (he started visiting Japan when he was 3), traveling with that boy served as an ice breaker and gotten us to interact with a LOT of friendly Japanese. Random obachan will walk beside us and talk to us, give us stuff and tell us about their grandchildren too. ^^