内ない鮮せん一いっ体たいじ字FuriganaMeanings1expressionJapan and Korea as one bodyhistorical termHistorical slogan used during the Japanese colonial period in Korea to promote assimilation. Now a historical term with strong political connotations.「内ない鮮せん一いっ体たい」は、植しょく民みん地ち時じ代だいの朝ちょう鮮せんで使つかわれたスローガンだ。"Naisen ittai" is a slogan that was used in colonial-era Korea.