Hi!
Day 1 - Arrived at Sapporo (New Chitose-Sapporo)
Day 2- Sapporo (town tour)
Day 3-Tokyo (Narita-Nippori-Akihabara-Nippori)
Day 3 -Tokyo (Nippori-Asakusa-Nipporo-Narita)
What are your suggestion? Since, I'm travelling less than 7 days what type of JR pass should I buy? Tq