C449 Wrong wind direction

Zhang Yu curled his lips, pretended to be calm and waved at him. The young man frowned, what is he trying to do?

Seeing that he had confidence in himself, he turned around and said to him, "Your trump card is a K." The sound was very soft, and the surroundings were very noisy. No one heard anything.

The young man looked at him with an incredulous expression, then pointed at him and said