Bokuretsu who came out of prison as a committed anticommunist did not join Zai Nihon Chosenjin Renmei (present-day, Chongryon or General Association of Korean Residents in Japan) but formed Zai Nihon Chosen Kyoryumindan (present-day, Mindan or Korean Residents Union in Japan) in October 1946 and presided as the first organization head until February 1949.
いまや徹底した反共主義の持ち主であった朴は在日本朝鮮人連盟（朝連、在日本朝鮮人総聯合会の前身）への参加を避け、1946年10月に在日本大韓民国民団の前身となる在日本朝鮮居留民団を結成し、初代団長を1949年2月まで勤めた。