a)Already tried to make a booking in Ryokan Tokaisou in Tokyo, but it's full for the days I wanted. So, just now tried to book Hotel Parkinn and Kyoto Garden Hotel by email, hope to receive good reply.
If not, need further seaching again.

b)
(1)Willer Luxury coach to Osaka sounds good, but too bad their website is in japanese and therefore unable to understand and get any information.
(2)Any comment about 'Puratto Kodama Economy Plan'??

c) Since it's uncertain of chance in viewing Mountain Fuji, I better follow your suggestion then, rather than pay more for nothing.

d) Just found out Miyajima from the website, it seems like a nice place to visit, and makes me think of put it in my itinerary, what do u think?

Thanks again to 'LapLap' and also to others for taking your time to explain to me more clearly. The comparison of costs done by 'LapLap' does help me a lot.

Jess