In line with the task, preparations for the final battles to liberate Korea were stepped up on a full scale in the homeland, Manchuria and even in Japan.

With deep insight into the Japan-resident Koreans' movement, Kim Il Sung sent many political workers of the Korean People's Revolutionary Army (KPRA) to Japan proper.

The political workers were tasked to build up the branch organizations of the Association for the Restoration of the Fatherland (ARF) and other anti-Japanese organizations of Koreans in Japan so that they could join in the KPRA's final operations.

They conducted in Kansai and other regions of Japan such activities as informing Koreans of the ten-point program of the ARF and the line on all-people resistance.

After all, many anti-Japanese student organizations came into being and legal or secret organizations were formed among Korean draftees in Japan. Typical of them was a special Korean youth society formed in 1944.

Thus, anti-Japanese resistance forces were built in Japan, ready for joining in a nationwide armed uprising along with those in the homeland.