I'm coming to Japan on the 28th of April for 2 weeks. The first week (28th until the 5th) I will be by myself with only a backpack, as I will leave my luggage at Narita. What I was wondering was how difficult it would be to meet and make friends with people who could show me around their area, whether it be Tokyo, Kyoto, Nara, Nagoya, Osaka, etc.
I'm really going free-form with the first week, so I just want to meet some people and then just go do whatever. Really try to be more integrated than typical tourism. The second week on the other hand I will pick my girlfriend up at Narita and grab my luggage, and we will do the typical tourist things, and stay in nice Ryoukan or Western Hotels (Grand Hyatt etc.).
So basically, is it possible to get off the train from Narita and just go walking around, meet some people, and hang out with them, or are Japanese people generally avoidant of foreigners?
Another thing, can I buy a GSM prepaid simcard while I am in Japan? I have one here in Singapore, but I was wondering if it would be similar. To get it here I just showed my Canadian Passport and they gave me a card.