Rubuta ci gaba ga wannan sakin layi - A shekara ta 1945, an nada Hayashi sakataren sirri na Ministan Harkokin Cikin Gida da kuma shugaban Sashen Ma'aikata na Ma'aikatar. Ba da daɗewa ba bayan mika wuya ba tare da wani sharadi ba na Japan
zuwa ga Allied Powers a watan Agusta 1945, an zabe shi a matsayin Gwamnan Prefecture na Tottori yana da shekaru 38, ya dauki ofishin a ranar 27 ga Oktoba, don haka ya zama shugaban mafi ƙanƙanta a cikin tarihin Prefecture. Duk da haka, an yanke wa'adinsa a watan Fabrairun 1947 lokacin da ya zama Daraktan Ofishin Harkokin Gida. Shi ne mukamin karshe da ya rike a Ma'aikatar Cikin Gida, wanda Babban Ofishin (GHQ) na Allied Powers ya rushe a watan Disamba na 1947. A matsayin tsari na wucin gadi da aka yanke shawara a taron majalisar ministocin, an nada shi Daraktan Ofishin Harkokin Cikin Gida na wucin gadi a watan Janairun 1948. Ofishin ya wanzu ne kawai kimanin kwanaki 90, a lokacin da yake da alhakin kula da ayyukan tilasta bin doka da a baya Ma'aikatar Harkokin Cikin Gida ta daina aiki, har sai da Hukumar Tsaro ta Tsaro ta Kasa ta maye gurbin Ofishin.