In 939, Yoshifuru went to Kyushu as Tsuibu Sanyo and Nankai Ryodo Kyozokushi Chokan (Chief of the police officers who subdue the barbarians in the Sanyo and Nankai areas) to suppress the Johei and Tengyo War (FUJIWARA no Sumitomo's War).
939年（天慶2年）の承平天慶の乱（藤原純友の乱）鎮圧の追捕山陽南海両道凶賊使長官として九州下向。