This is my first attempt at fanfiction so please be gentle! Please let me know about things I should fix or improve on also.

This story takes place after the conquest ending in Hyperdimension Neptunia rebirth;2 (Spoilers btw J)

Nepgear stood on the Neptower, looking over what was now her nation of Gamindustri. It had been 4 years since she had been forced to kill the other CPUs and CPU candidates for the sake of Gamindustri.

She snorted to herself; that had been the biggest mistake in her life. She glanced off the tower upon the riot destroyed streets below and finalized her decision. There would be no going back from here.

"Nepgear, no!" Histoire shouted at the top of her lungs. And flew between Nepgear and the dimensional tear.

"Sorry Histy, but there's a chance that going through this dimensional tear will let me go back in time and fix my mistakes." Nepgear, the now sole CPU of Gamindustri said. "The other goddesses believed that I could defeat Arfoire and save Gamindustri, but they were only half right. Arfoire let me kill her and I couldn't save the other nations. Lastation went into a war with Leanbox almost as soon as it was announced that I was the only living CPU after facing Arfoire. Lowee has over a 50% unemployment rate and it's getting worse. I'm even stronger than Arfoire now, but I can't just destroy the other nations. I would need them to join each other peacefully."

"It isn't too late Nepgear, according to my calculations it may take between 3 decades and 3 centuries but it isn't too late to save Gamindustri! And besides, using the dimensional gap is just as likely take you forwards in time, into another dimension, or destroy you entirely."

"Heh, destroy me entirely? I doubt it. Ever since Gehaburn was bound to me I haven't noticed the low shares affecting me anymore. It increased the small amount of share energy I naturally produced into more than enough sustain my HDD form for days even, more than enough to take care of any trouble."

"Nepgear… We need you here in Gamindustri, you are the only Goddess remaining; you are the only one who is qualified to lead us." Histoire said.

"Sorry Histoire, but this has to work, if not then… I guess I'll finally get to see Neptune again. Now get out of the way of my way."

"I'm sorry Nepgear, I can't just - "

Gehaburn suddenly materialized in Nepgear's hand in a flurry of data like energy, "Panzer Blade!" Nepgear suddenly shouted, and she rushed Histoire.

Histoire, startled by the sudden attack, dived to the left before realizing what Nepgear's goal really was in attacking her. She whipped back around to see Nepgear's ankle disappearing into the portal and it closed behind her.

"I'm sorry I didn't help you more Nepgear, and good luck."

"Wherever you end up.

End prologue