Osaka <-> Tokyo lowest fares by Bus / 123 bus Japan
You can try using that night bus....I'm thinking of using this so I won't waste another 8.5 hour from Kyoto to Tokyo
(I'm also planning to use the seisshun 18 kippu)
Check out my plan here :
http://www.japanforum.com/forum/japa...needed%29.html
maybe you can give me some inputs too....