The nil number is the key to AI Nirvana’s secret ending.

So, what is the nil number and where can you find it?

During the conversation, Tokiko will ask you: “Are you a Frayer?”

If you say no, then the story will progress as normal.

If you keep saying yes, she’ll ask you for the “Nil Number.”

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Tokiko’s hologram should be waiting with a new script and the Nil Number at the Naix Headquarters.

However, Mizuki and Bibi don’t know what to do with it when they hear it.

You might not even know what to do with it when you first get it.

There’s no one Nil Number.

It differs per playthrough, so you’re gonna wanna finish the game on your own.

Again, Tokiko will ask: Are you a Frayer?

Answer yes and enter the Nil Number in the prompt.

You and Tokiko will transport to an alternate dimension with nothing in it.

Nothing happens if you don’t tell Ryuki.

It’s a very short route, but one that offers some interesting food for thought.

After all, all these routes exist in tandem with one another in the canon.

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