C19 Odd Sound(1)

"You can hear it? "But you are just an ordinary mortal. Perhaps, you are destined to not be ordinary." Yan Xu looked at me in shock as he muttered to himself. I felt a little embarrassed from his words.

"You can hear it too?" My apologies is one thing, but I quickly noticed something else and asked in astonishment.

"Of course." Yan Xu nodded his head.

"What is that sound?" I asked curiously