C431 Can't Lay

"Gulu."

Liu Yangsheng was deep in thought with his head down. Suddenly, he heard a strange noise. He raised his head in surprise and looked around in confusion, "What sound is it?"

Gu Yanci's face suddenly turned red and his eyes flashed. He stuttered as he could not give a complete answer.

After thinking for a few seconds, he suddenly understood what was going on