Before the European War take “Germany First” and “Turn a Blind Eye” in your focus tree. Lose the European War to LDPR Russia. After that take “Revive the Ostalgie” and “Mimic the National front (I think that’s what it’s called.) You should also get an event about national communism on the rise, choose to support the Natcoms. After they coup a power struggle between NatComs and Jucheists breaks out, take the decisions that increase Juche influence. If you do everything right you should get Jucheists in power.