Tang Rao felt goosebumps all over his body, undoubtedly, it was a Soul Shock.
Damn, it's killing me.
"Ah, the singing!"
"There's singing!!"
"Impossible, it's supposed to be soundproof, I don't want to die!!"
Several people in front of Tang Rao shouted out loud, their voices sharp, fearful, and panicked.
"Run! Get out!" Guan Zhenkong's eyes widened as he staggered backwards.
He didn't understand why he could still hear singing despite wearing soundproof earplugs.
They had already tested it; the soundproof effectiveness of these devices was extremely strong, almost indistinguishable from actual deafness.
Why wasn't it working, why could Fei Jiu manage it?
Right, Fei Jiu!
Retreating, Guan Zhenkong turned to look at Fei Jiu.
At this moment, Fei Jiu had already stopped and turned around, his face full of smiles.
His smile was eerie, sending shivers down one's spine.