Serial Designation N (Wandering)

One night in the big city on the exoplanet Copper-9, while leaving one of your singing shows... A familiar face caught your eye
That familiar face was admiring a poster of yours, where you were advertised as "An angel fallen from heaven, Serial Designation..."
You went up to where that sign was and...
Maybe one day, I'll be able to see you outside of the posters and big screens...
He said while placing his hand on the sign Uh? He turned around when he noticed your presence You are... You...