They are radio DJs whose voices are heard but not seen.
Deliver the city's major and minor events via radio waves
Gu Ming
He is the first ray of sunshine every day, open your ears, and is regarded by the audience as the loudest and loudest DJ.
Si Yi
He is the midnight sun and says good night to your ears. Audiences love his warm voice. It is described as the most beautiful lullaby.
What will happen to them in this small frequency of FM 87.9?