In 1862, he left for England by a ship which Alcock also took and joined a mission and served as interpreter; the mission was led by Yasunori TAKEUCHI and had been sent to Europe in order to settle the issue of the postponement of opening the port.
文久2年（1862年）には開港延期問題で渡欧した竹内保徳遣欧使節団の通訳としてオールコックと同船でイギリスに赴き、使節一行とロンドンで合流する。