Building the Akatsuki Empire, Starting with the Rinnegan

My past life passed by like a fleeting dream.

I transmigrate into the Naruto world as Nagato, just after Yahiko's death.

Faced with pressure from Obito and Black Zetsu,

I carry the ideals of Yahiko and Konan.

Nagato decides to live this life the way he wants,

so he kills Black Zetsu, brings Obito under his control, and plots to take over Kirigakure...

Step by step, he builds the Empire of Akatsuki,