Rubuta ci gaba don wannan sakin layi - Daga 6 ga Nuwamba 1941 sashin ya kasance ƙarƙashin jagorancin Laftanar Janar Renya Mutaguchi kuma an sake sanya shi zuwa rundunar sojojin IJA ta 25 (wanda ke ƙarƙashin jagorancin Janar Yamashita Tomoyuki). Ya shiga cikin mamayewar Malaya
da kuma Singapore. Rukunin Sojoji na 124 da wasu wasu raka'o'i na 18th Division sun shiga cikin yakin Borneo daga ranar 16 ga Disamba, 1941. Bayan cin nasarar Singapore, an canza rukunin zuwa rundunar sojojin IJA ta 15 don mamaye Burma, inda ta yi asarar rayuka sama da 3000, galibi daga rashin abinci mai gina jiki da zazzabin cizon sauro wajen tabbatar da ikon Ledo Road. Halin samar da kayayyaki ya munana sosai har wasu bangarorin sashin suka saci abinci da makamai daga shagunan sashin na 53, a cikin garin Tanai wanda ya sami sunan barkwanci na "barayin ɓarayi".