travel to japan, tokyo and aomori with 2 yrs old kid

hello, im planning a trip to japan in April 2026, my itinary
day 1 - arrive narita airport tokyo
day 2 - go to gotemba outlet
day3 - move to aomori
day 4 - aomori explore city
day 5 - go back to tokyo from aomori
day 6 - disneyland
day7 - disney sea
day 8- explore tokyo
day 9 explore tokyo
day 10 explore tokyo
day 11 explore tokyo
day 12 go back to my country via narita airport

im travelling with 2 years old kid, should we get the JR pass or get individual ticket only? hope you can help to asnwer me