Please advise which JR pass would be most useful for this itinerary. Thanks so much.
Tokyo to Nagasaki flight for 4 nights
Train to Kumamoto for 2 nights
Kyushu Odan Bus to Mt Aso for 2 nights
Bus to Kurakowa Onsen for 1 night
Bus to Beppu for train to Okayama for 2 nights.
Train to Tokyo for 3 nights then departure