To be fair to the Japanese girls. People outside of Japan always have the impression that Japs girls are always ready to spread their legs and get hump. Those things only happens in porn, AV only. In real Japanese girls are very shy and what's more to talking about sex or 1 night stand. They are quite conservative and for foreigners like us that goes there to work or holiday or staying there for few months you can stop dreaming of humping a Japanese girl. Having them as friend, YES you can but it's no more than that..unless you can speak very fluent Japanese which can disguise your origin. Not so lucky for the western guys. A lot of night clubs there don't allow them in. Again unless you have good command over the language there.
You might ask why Japanese girls don't prefer foreigners as partners or lovers because overall Japanese girls want to look for a good husband and serve the husband so to have a short term relationship or just fooling around is not their way. Also on most of the night clubs, the 100% Japanese girls are all reserved for the local Japanese only most foreigners will be served by girls from China, Taiwan or some other countries that can speak English. Unless you have local friends there that can get you into a night club then you will be able to have Japanese girls serving you.
So do not let those AV stuff mislead your mind, the real Japanese girls are protective about themselves. They can be good friends, buy you gifts, ask for you phone no and share their feeling with you but if you're only thinking of getting under their panties then you are better off go looking for prostitute.
I'm speaking this based on my own personal experience with Japanese girls that I met...some which has become good friends for few years already and it's a good thing having them around because sometimes they can bring you to nice places that tourist won't have a chance of going and can be a good companion also especially for people like me that travel alone to a foreign country for weeks it's quite lonely sometimes well at least you have a awesome looking girl accompany you on your trip.
Also not all Japanese girls speaks good English and for those who can speak they mostly studied in overseas universities or student exchange programs. Even then their English is so so only so you need to be patient with them and they will tend to ask you a lot about your country and want you to teach them English. Currently Japan's English tuition class still a lot and mostly those westerner go teach one.
Cost of living in Japan is quite staggering especially in city areas. Living cost is going up and to live in Japan is like locking yourself in a bird cage. Your room and your toilet and your kitchen is just beside each other and you can imagine we Malaysia are used to living in houses that are consider big to the Japanese.
For me I decided to rent a house outside the city and just drive to my customer place and if I want to tour around the city I just park the car and take the subway (much cheaper and faster) petrol there aint cheap also especially when your car needs to run premium fuel. When others can use regular fuel.
Japan is a nice place to holiday and for short stay but as mentioned work pressure and living pressure is very high. That's why most of the office workers you see them on the train they are mostly sleeping or their face is lifeless....everyday is work and trying to feed the family. That's why once in a while you will have a person that break and do crazy harmful stuff to the public, just like the Akihabara slaughter case. A man just drive a truck into group of people then came down with samurai sword and start cutting people up.
Japan is a double edge sword, to people who can cope with it it's a great place but to people who can't cope with it then it's very suffering. I also sent my brother there for training for the pass 1 year. He end up like me came back with bunch of Kyosho, HPI die cast scale and car parts....Hahahaha