husband and I will be doing a 5 day Tokyo trip and another 5 day Kyoto/Osaka trip and we need a place to leave our big luggage at in Tokyo before we embark on the 2nd half of our trip because we need to go back to Tokyo for our flight back home. I saw this Shinkansen Rail Go Service but can't find anything recent about it. Any info if this still exists and the specifics of their rates per size of your luggage? Thanks in advance for any help.