 Nyora kupfuurira kweiyi ndima - Aung San akabva muBurma muna 1940 ndokusimbisa kuonana nomukuru wemauto eJapan Suzuki Keiji. Mukutanga kwa1941, hutungamiri hwePRP hwakagamuchira hurongwa hwaAung San hwekumukira zvine zvombo hunotsigirwa neJapan intelligence unit Minami Kikan. Kyaw Nyein nedzimwe nhengo dzePRP vakasarudza ndokutumira vaduku vorudzi - gare gare vakazozivikanwa seVashandi makumi matatu - kuJapan kunodzidziswa zvechiuto. Muna February 1942, akaunganidza masoja eBurma anodarika mazana maviri eBurma Rifles ndokuapinza mumarori akabiwa kuenda kuTharrawaddy kwavaifanira kumutsa kumukira kwemunharaunda pamwe chete naNe Win naBo Yan Aung veVamwe Makumi Matatu pamberi pemasoja eJapan.vasvika. Urongwa hwacho hwakakundikana, uye Kyaw Nyein naNe Win vanonzi vaifanira kudzokera kuYangon netsoka. 