Looks like that was Korechika Anami, the minister of war.
Fucking revisionist bullshit. The military knew the war was lost. They planned to force the Japanese civilians to fight to the death, leading to the extinction of the Japanese people.
https://en.wikipedia.org/wiki/Operation_Downfall#Operation_Ketsug%C5%8D
"Would it not be wondrous for this whole nation to be destroyed like a beautiful flower?"
-Korechika Anami
https://en.wikipedia.org/wiki/Surrender_of_Japan#Imperial_intervention,_Allied_response,_and_Japanese_reply