Inoue was engaged in translation and editorial supervision of a Korean newspaper, "Hanseong Sunbo (Kanjo Junpo)" (Hanseong Ten-day Reports) issued by the Kaika group (advocate for civilization) including Yonghyo PAK (박영효) in 1883.
1883年朴泳孝ら開化派が発行した「漢城旬報」に井上は翻訳、編集指導として関わった。