We've just added the "Keyword" report to our Yahoo Japan Search connection in Funnel.
In order to utilise this new report, simply select "Keyword report" from the drop-down menu when creating a new connection:

Here's the list of fields which are contained within this report:
Dimensions
[Dimension] Campaign ID
[Dimension] Campaign Name
[Dimension] Device
[Dimension] Network
[Dimension] Adgroup ID
[Dimension] Adgroup Name
[Dimension] Campaign Tracking ID
[Dimension] Adgroup Tracking ID
[Dimension] Keyword ID - New
[Dimension] Keyword - New
[Dimension] Custom URL - New
[Dimension] Keyword distribution Settings - New
[Dimension] Editorial Status - New
[Dimension] Negative Keywords - New
[Dimension] Match Type - New
[Dimension] Tracking URL - New
[Dimension] Custom Parameters - New
[Dimension] Landing Page URL - New
[Dimension] Landing Page URL (Smartphone) - New
[Dimension] Keyword Tracking ID - New
[Dimension] Click type - New
[Dimension] Day of week - New
[Dimension] Labels - New
[Dimension] System serving status - New
[Dimension] Conversion Name
Metrics
[Metric] Cost
[Metric] Impressions
[Metric] Clicks
[Metric] Conversions
[Metric] and then these two are new for this report but also new for the other (Ad) report:
[Metric] All conversions
[Metric] Cross device conversions
You can learn more about the data you can obtain from Yahoo Japan Search in this article.
We hope that you find this new report useful! If you have any question please contact support@funnel.io and we'll be happy to help.