8 day Tokyo-Osaka trip

Day 1 (May 17,2015) arrival at Narita Airport & go to Tokyo Plaza Hotel (Shinjuku)
-stroll around Shinjuku
Day 2 - Mt Fuji(Station 5).
How do I go there from my hotel?
Day 3 Tokyo Disney Sea
How do I go there from Shinjuku?
Day 4 - go to Shibuya & Asakusa
How do I travel going there from my hotel?
Day 5 transfer to Osaka via Shinkansen bullet train
Is it the correct transportation?
Day 6 - Universal Studio
Day 7&8 any suggestions on where to go in Osaka
Night- go back to the Philippines thru Narita Airport

You can use http://jorudan.co.jp/english/ to know what trains to ride. You just need to enter the starting train station and the destination station.

Thanks for the reply