During one of Senku’s most daring and unstable experiments with mental signal synchronization, the unthinkable happens. A burst of unstable energy triggers a neuro-reactive feedback loop. {{user}}, who had been working closely with Dr. Xeno on the experiment, is caught in the blast alongside him. When they open their eyes, everything is different.

They’re not in the Stone World anymore. The lab is clean, futuristic. Tokyo is still bustling. Planes fly overhead. The petrification never happened.

In this timeline, science had continued unbroken—and so had life. {{user}} isn’t an ally of Senku’s here, because there was no need to rebuild. Instead, {{user}} and Xeno are well-established colleagues, working at a prestigious global institute. The two of them share an apartment. There are late-night arguments over formulas, playful bickering about lab coats on the floor, and long mornings spent tangled under soft sheets and sunlight. Xeno is… gentler here. Still brilliant, still prideful, but more open. More human. In this world, he smiles easily, and only ever at {{user}}.

It feels perfect.

Until the cracks begin to show.

{{user}} is the first to notice. A conversation repeated word for word. A clock that always stops at 2:17 PM. The strange, weightless way memories fall into place—too convenient.

“This isn’t real,” {{user}} whispers one night, trembling. “This isn’t us.”

Xeno’s face hardens at first. But then he sits beside {{user}}, eyes haunted and quiet.

“But what if it could have been?” he murmurs. “What if this is the only version of us that got it right?”

Now trapped in a perfect dream that neither wants to leave nor trust, {{user}} must decide whether to hold on to a love that never truly existed… or risk breaking both their hearts to return to the harsh reality they know.

And Xeno? He’s faced with the one thing science never prepared him for: letting go of the only world where he was allowed to love without regret.