[noodle]

What about journalism? You can either work for a Japanese news channel as a correspondent in an English speaking country, or work for an English channel as a correspondent in Japan. Either way, if you're fluent in both languages, that would fulfill a few of the points you've stated in this thread... You'd get to travel a bit (especially if you're a correspondent for a Japanese news channel), you'd hardly ever be in an office, you'd get to live with different cultures etc...

Unfortunately, I don't have any more information, but you can easily do a bit of research and contact some news channels... Before this summer, I thought I'd want a career in IT, so I decided to get a job in IT this summer. Now, I've realised that IT isn't the right path for me. You needn't worry about the future. All you have to do, is get as much experience as you can so that you learn more about yourself, thus letting you know what you'd like to do for the rest of your life.