C1151 Father-in-law!
"Du... Du... Du..."
The long dial tone echoed in the empty and quiet darkness, pausing for a long time before ringing again.
Perhaps it was the only sound in the world, but as time passed, it became more and more unexpected, accompanied by anxiety, ear-piercing, and other negative emotions.
After ringing for more than ten times, it finally turned into a series of hurried noises
