You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
alternatehistory.com
So IOTL nomadic peoples like the Manchus and Mongols were able to conquer China and make dynasties. Is there any possibility that the Japanese could make use of an extended warring period in China's history and, with Korea as a foothold, take and hold on to China for a few generations or more?