"I'd rather sing for the living."

The console asked: "Do you want to sing? Your real voice will be recorded."

"Run this," the man whispered. "And you'll see."

Lena laughed nervously but clicked Yes. She sang a few lines of "Hallelujah." The screen flickered. Then text appeared:

Lena’s finger hovered over the button. Then she yanked the USB drive out, smashed it under her heel, and whispered to her shaking reflection:

She pressed A.

The final message on screen read: "To join them forever, press Free Do."

It sounds like you're looking for a creative or intriguing story based on the search query: — which seems to mix The Voice (French edition), "la plus belle voix" (the most beautiful voice), Nintendo Switch, NSP files (a format for Switch games/software), and "Free Do" (possibly a typo or reference to free download).

One evening, a regular customer slid a mysterious USB drive across the counter. On it, written in marker: The Voice – Switch NSP – Free Do not share.

Curious, Lena took the drive home. Inside was an unmarked NSP file — a Nintendo Switch package. She loaded it onto her modded Switch. Instead of a game, a dark stage appeared on screen. A single microphone stood center.

The room went cold. Her Switch screen glowed white. Then she heard it — a chorus of millions of voices, all singing in perfect harmony. Each one was a person who had once been told they had "the most beautiful voice." And none of them had ever been seen again.

Here's a short fictional story inspired by those elements: The Most Beautiful Voice