If JR is indeed no doubt, its quality is just maybe the downside is that the redemption must bring an exchange order to Japan, the passport must be stamped at immigration, the JR pass is small and very risky to be lost and damaged (there is no digital version which is very difficult for those who take a long duration). Basically, the administration is still old-fashioned, but if you are going to many cities, it is worth it because the shinkansen is expensive per unit if it is far away. So calculate first, if the unit is more expensive, just don't hesitate to buy this