Answer

I congratulate you for reaching this point.
As promised, I will reveal to you the truth of this experiment.

Aine Ichirai and Binato Sotobara.
Mariha Monzen and Lumina Rikujo.
Kairo Goshiki and Iris Sagan.

These six individuals had an extraordinary power.
The power to create a "tear" in this world and interface with existence beyond it.

However, in order to manifest this ability, they had to be driven into an extreme state of mind.
This was necessary to stimulate the prefrontal cortex of the brain to a heightened state.
This increased the probability of being able to recognize the existence of another world, and even information exchange became possible.

Why did we need your participation?
We needed your thoughts, your desire: "I want to save them."

All of them converged into a single wavelength and amplified.
This became the key to opening the Multidimensional Portal, which furthered their ability to interface.
It was vital to unify the vector of your wills, decoding the puzzles.

Now, one pivotal question remains, doesn't it?
“Why doesn't Iris Sagan have any memory of this disappearance?”
The answer can be explained by the fact that there are countless simulated worlds.
There are worlds in which she disappeared, and there are worlds in which she did not.
That simulated world you have acquainted yourself with, let us call that the "AI 2 world."
Your AI 2 world and the AI 2 world that another may have experienced are completely different.
Your AI 2 world was simply one in which Iris Sagan did not disappear.
But what of another's AI 2 world? Could they have experienced a world in which Iris Sagan did in fact disappear?
The story in that world will have developed differently from the one you experienced.
This is no coincidence.
We knew that your experience would lead you to this exact point.

All of this was part of our vision, our plan.
Making contact with your world was necessary in achieving our goal.
The fact that you are reading this now is proof that we reached the final stage.
You should know what this means.
Thank you for your cooperation.

You have reached a number of endings, and yet you are here because you are not yet satisfied.
It appears you hunger for a deeper truth.
It is your gift.
I knew I was right to believe in you.

Now it is your turn.
You may suffer the same fate as the six subjects of our experiment.
But there is no need to worry.
For you can change the workings of the world itself.
You are a Frayer.
You can tear at the seams of this world...