Actually after the emperor decided to announce Japan's surrender after the Nagasaki bomb a group of military officers tried to overthrow him to prevent the surrender from being broadcast preferring to fight to the end rather than suffer in their mind the dishonor of surrender.
So, who was in charge them, he or they?
And they were soon to surrender anyway. We just wanted to show off our new toys and we couldn't drop them on Tokyo, we might have killed people who mattered, so when we went more off the grid.