The piercing alarm tore through the afternoon tranquility.
The buzzing sound came from every corner of the campus, penetrated the walls, and stirred in Long Zhan's eardrums like a steel needle.
The book in his hand fell to the ground.
"... Global simultaneous emergency broadcast, repeat, this is not a drill..." The woman's voice on the radio trembled in the electric sound.
Outside the window, the first scream pierced the sky.