Most of Japan's new parties are LDP spinoffs. Divisions within the LDP are largely ideological. Rural voters were long overrepresented in Japan. The Japanese monarch is strictly a figurehead with no political power. How does the new Japanese electoral system resemble the German.
Japan has few natural resources.
There is a great gap between Japanese generations. Japanese obedience is so deep it is likely genetic. Japanese do not like to say things bluntly or harshly. Japanese use connections to gain university attendance. Japanese grade school education emphasizes math.