Try http://www.japan-guide.com/penfriend/index_e.php and search on Japan

It has many postings from Japanese teenager

"Koen" <koenvannieuwenhuizen@planet.nl> wrote in message
news:58c9a71a.0401200341.769f4bef@posting.google.com...
> Hello, we are four dutch students, and we have to make a presentation
> about living in Japan.
> Therefore we would like to interview a Japanese teenager (13-15 years
> old)
> Anyone?
>
> Jeroen,
> Coen,
> Robin,
> Koen