In the Koan War in June, 1281, he played a role as a commander of local samurai, then in February, 1285, he served at 'Chinzei tokushu gougi sosho kikan' (special collegial and legal institution in Kyushu Region) [former Chinzei tandai (office of the military governor of Kyushu)] which was set for dealing with the post-war issues in Koan Reform by Yasumori.
弘安4年（1281年）6月の弘安の役で現地の武士達の指揮官を務め、弘安8年（1285年）正月に泰盛による弘安改革で戦後処理のために設置された「鎮西特殊合議訴訟機関」（鎮西探題の前身）での実務にあたった。