He went to Shilla as a Japanese envoy for negotiation to ask for a hostage in exchange for abolishing 'taxation from Mimana,' and then took Buretsuo, Prince of Shilla to Japan with him.
、遣新羅使として新羅に赴き「任那の調」を廃止することを引きかえに「質（人質）」を差し出させる交渉を取りまとめ、翌に新羅王子武烈王を伴って帰国する。