Some people signed up with them but never heard back how it's going.
Either they are making a killing and try to keep everyone else out of there or it is in fact dead.
Their submission terms are in English now:
http://pixta.jp/docs/?rm=footageguide_enTheir payout limit is about $370 but media is sold at microstock prices.
The only way to cash out is via bank transfer.
What's your opinion/experience?