which SIM card is best in Japan?

I'll visit Tokyo for 2week
the purpose is visiting my friends in Tokyo and join their wedding party.

1-2 days for wedding party. rest of schedule , I will traveling around Tokyo Area,using Hato bus tour.
I will bring my iPhone5S unlocked.
I hear that my iPhone is available in Japan with local SIM Chip.
-2week around Tokyo.
-Call receiving from my friends.
-using facebook and whats apps by iPhone.

regarding this site, Im thinking to buy "Japan Prepaid SIM by NTT Communications"
http://www.japansim.net

Question is
1) is there any other recommend SIM service for me?

2) how can I receive Japan local call via my iphone?

regarding this site, Im thinking to buy "Japan Prepaid SIM by NTT Communications"

Note that that is a data-only sim. If you need calling then you should look at the various b-mobile listings. Otherwise, for data only I'd probably go with an econnect sim:

http://www.bmobile.ne.jp/product_voice.html
https://www.econnectjapan.com/

2) how can I receive Japan local call via my iphone?

With a sim that supports voice. Alternatively, you could get a cheaper data-only sim and use an internet phone service to receive calls.

Do you really need voice? If you do, that will be a lot more expensive.

the above link listed by OP aboved are reseller, they sell a whole bunch of sim card from bmobile, econnect etc. data or data and voice.
there is voice and data option by bmobile PAYG sim valid onvy for 7 days with 3GB and 60min voice, cost 9,800yen.

Looks like they're really just an info blog and don't sell sim cards directly.

Thanks for your advise.
I've finally success to get local IP phone number for Japan via online.
This works good!!

SMARTALK Phone
http://www.japansim.net/freeipphone/

So I decide to get a data only SIM card at the NRT Airport or Electronic store "Yodobashi".
"So-net 1G" or "Japan Prepaid SIM by NTT Communications".

How did you find the registration process, especially the part regarding address? I rented an iPhone last time I was in Japan but don't want to carry 2 phones and limit the cost.

Thank you