Also known as "Can you hear me?——I can hear you"
Humans cannot hear sound waves below 20Hz, but they can make people feel abnormal.
As a result, the world began to have unsolved mysteries and conjectures about ghosts and monsters.
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"Have you ever thought that one day your dreams could create something?"
"Isn't it nice to have dreams come true?"
"What if it's just a nightmare."
Intention: Just wait until someone can hear it
