Japan rewards planning, but it punishes overplanning. In traveler forums, first-time Japan routes are often improved by reducing hotel changes and giving neighborhoods room to breathe. Tokyo and Kyoto are the strongest first-trip pair because they show two sides of the country: dense modern city life and temple-rich historic atmosphere. Mount Fuji or Hakone then adds nature, hot springs, lake views, and a slower finish.
Use Tokyo as your arrival base for food, shopping, museums, and day trips. Instead of trying to see every district, choose clusters: Asakusa and Ueno for old-town energy, Shibuya and Harajuku for youth culture, Shinjuku for nightlife and transport, and Ginza or Tokyo Station for polished city walks. Kyoto needs early starts at headline temples and shrines, especially in spring and autumn. Stay near a useful rail or subway line, then mix famous sights with quieter lanes, gardens, and evening food areas.
The Fuji-Hakone section works best when treated as a weather-sensitive escape. Clear mountain views are never guaranteed, so book the onsen stay for the overall experience, not only the photo. If you have seven to nine nights, split the route between Tokyo, Kyoto, and Hakone. If you have more time, add Osaka or Nara rather than squeezing in too many distant cities.