Hey there iwantchixx
I would recommend sending Jap and Korean traffic to
sites in Japanese, geared exclusively towards that market.
It doesnt do much good to send Japanese users to sites in English.
I use DTI's affiliate program , I have been happy with the ratios and rebills have been really good.
see my ref code
http://click.dtiserv2.com/Click2/62-22-2632
later and good luck
powderfinger