This story begins with an ordinary night.
The far side of the moon, observation hall, a cup of cold coffee.
The screen pulsed with signals from the Kuiper Belt.
2, 3, 5, 7, 11, 13...
Prime sequence>
The universal language.
It says: I am. I'm waiting for you. Come to me.
For the first time, human civilization heard the voice of the universe.
But some people have heard it a long time ago.
