Starting with the usurpation of Akatsuki, the ninja world was overthrown.

Yahiko: "Our ideal is for people to understand each other. You're too extreme, Kiyokawa. You'll regret it!"
Shiba Kiyokawa: "Yahiko, I am now the leader of Akatsuki!"
Then the door slammed shut.
At that moment, Shiba Kiyokawa suddenly felt his mind clear, as if someone in the dark had finally stamped and certified him, confirming that he was a pure-blooded ninja.
Actually, when he first transmigrated, all he really wanted was to try to survive and avoid his inevitable death as cannon fodder.
But as time went on, he gradually developed more ideas.
Since the Akatsuki organization is destined to have a leader, why can't it be me?
Calling for mutual understanding between people? Ha! I'd rather believe I can become the First Emperor than believe that.
I would rather betray the people of the ninja world than let the people of the ninja world betray me.
The throne in the sky above the Land of Rain has been vacant for too long. Why don't I take the throne and stand in the sky?
What? You call me extreme? You blame me for being ruthless? What a joke! I didn't start this Ninja World War.
Besides, as long as I haven't lost, who dares to call me a war criminal?