Which Pass is better

Hello,
I'm arriving in Tokyo on June 4th and will have the following itinerary:
Tokyo 4 to 7;
Hiroshima - 7 to 9;
Osaka - 9 to 10;
Kyoto - 10 to 13;
Tokyo - 13 to 14.
Does it make sense to buy a 7-day JRP or should I get the 14 -day one instead?
Thanks!