After he came back from the United States in 1888, he joined the Great Merger Movement led by Shojiro GOTO, with whom he a long acquaintance since he was a student at Keio Gijuku.
1888年アメリカから帰国後、慶應義塾在学時代から知遇を得ていた後藤象二郎の大同団結運動に参加。