Info:
(First: Kakuzu
Second: Hidan
Third: Deidara
Fourth: Sasori
Fifth: Itachi
Sixth: Kisame

KH: Kisame Hoshigaki
IU: Itachi uchiha)

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Around the same time the artists faded, a new light shed on their companions. Two were left, and two were there. Both monsters of their villages, one with a thousand regrets, and one with the pride of stone. Each had their own story, but one could not live with the other.

Eventually....

A new tape was found on the shelf
IU was written on it. Memories were plastered on it, just like the previous ones were. A deep pst for someone so black inside, but pure hearted.

The newest tape before that one, finally ended. S had an end. Now there were four, waiting for the new arrival, and waiting for eternity.
---
"Where am I?" IU spoke, he was in the void at last. All his wounds were gone, and his desired form was taken on him. He was not alone in the void. There were the firsts, who spent 100 void years waiting for each other, painfully waiting for the other. There was the third, death by the grief of another, though had to live in the void without his companion. There was the fourth, whose tape used to last forever, now in the void, did it finally end, and he was reunited with three.

"Itachi-san, you're here un." The third spoke. The third was the only one here. The rest of them were watching their tapes again, trying to relive the memories they lost. There was one tape on the shelf. Silent words echoed the void. The fifth was eyeing everything, wishing he could go back and fix everything he needed to. He yearned for forgiveness, but he didn't need it. He wanted his partner here, someone who truly understood him. He hoped for his brother..That was a selfish thought, so he finally let go of it.

-----
In the void, 150 years since he had last seen him. The first and second were giving as much information about the void as possible. All of them even shared their stories. The fifth could barely remember what they told him, he could barely remember his bestfriends face. He watched the tapes frequently, but nothing rang a bell. He remembered his brother though, and that was okay.
-----
Meanwhile....

"Itachi, I think this is the end for me"

"Don't worry, I tried knocking sense into your brother one last time. Though he is in pain."

"Maybe the next time we see each other, we'll get that spar 'kay?"

He was defeated, half dead on the ground. The ninja left him there to suffer more. He really hoped where he would go would be worth the 32 years he had to wait.
------
There were two new tapes on the shelf

One was KH (Kisame Hoshigaki) , the new arrival.

And one was P, the way back to restart everything, live a whole new life. No one dared to touch the tape...but number six did, not on purpose...
-----
There was no arrival, for about 300 years in the void. Though the tape was still clean on the shelf, KH, waiting for number six to come.

Number 5, didn't remember about six. He spent too much time with the originals to want to remember. He could feel his pain though, long ago. Now he feels only happiness from that connection they had. He could feel the sparks once and a while. If KH was happy, then he was happy.
-----

"Itachi." Six said. He was now here. He had an opportunity to live another life, in exchange for his memories of his past. This affected IU too, he couldn't remember himself anymore. Now they finished the tapes, and the exchange was broken.

Both remembered, and both had a lot of explaining.

Reminds me of the first and second...

Both forgot, but were happy in the end.

They destroyed P, because they finally lived, and now they finally were together. They didn't want to relive life anymore.