This is a model tour itineraries for a week in Japan.
Option 1 Golden Route for first time in Japan
If you only have a week in Japan, and this is your first time to visit Japan, then consider to take so-called Golden Route. In this itinerary, you visit Tokyo, Mt Fuji or Nikko, Kyoto and Osaka.
Check the detail of “Option 1 Golden Route for first time in Japan” here.