This attempts to explain the limited political incorporation of Latin American Nikkeijin (Japanese descendants) (LAN) in Japan 1990–2004. A 1990 reform provides Nikkeijin a renewable visa that has enabled some 300,000 LAN to emigrate to Japan on the basis of Japanese blood descent or ethnicity.1 Long-term marginalized minority groups, such as Zainichi Koreans and Chinese,2 are comparatively better incorporated in Japan's political system and their demands increasingly recognized as more legitimate. I argue Japan's changing ethnic citizenship regime, political opportunity structure, and structure of civil society combined with LAN language difficulties, newness of residence, small size, low minority status, and powerful myth of return limits their immigrant political incorporation in Japan.