Dec 5 Arrive in Tokyo
Dec 6 Tokyo
Dec 7 Tokyo
Dec 8 Kanbayashi Onsen
Dec 9 Shirakawago overnight
Dec 10 Nagoya
Dec 11 Nagoya
Dec 12 Osaka
Dec 13 Fly from Osaka ITM to Kumamoto KJM for Kurokawa Onsen
Dec 14 Kurokawa Onsen
Dec 15 Fly from KJM to Tokyo
Dec 16 Flight back to Homeland
If it will be convenient, when should I activate my JR Pass? Thank you so much in advance.