help me for buying jr pass

my schedule is as follow

day 1 arrive at narrita airport
day 2 tokyo discover
day 3 Disney land
day 4 tokyo to Mt Fuji discover and return to tokyo by shinkensen
Day 5 tokyo to Osaka discover and return tokyo by shinkensen
day 6 shopping in tokyo\
day 7 Return

is jr pass suitable for me or which things it cover