Right after he returned to Japan on January 1885, he was arrested for the involvement in the Gapsin Coup and convicted for contempt of government officials for insulting Hirofumi ITO and Kaoru INOUE, who were Genroin gikan (councilors of Chamber of Elders).
1885年1月に帰国した直後、甲申政変に関係した廉で捕らえられ、伊藤博文、井上馨両元老院議官を侮辱したと官吏侮辱罪で有罪判決を受ける。