Check out this page for a book that claims:
Our eBook Japanese Girls - The Guide is the only guide that gives you all the secrets you need to meet and pick up girls in Japan.

It's the fastest way to success with Japanese girls. Guaranteed.

Some of the topics covered...
• Hon'ne and Tatemae - "the true feeling" and "the social façade"
• The gaijin novelty factor
• The Top Ten mistakes foreigners make with Japanese girls
• Templates for great dates
• ...all this, and much, much more.