C394 External Head Side Effect

"Will there be any side effects?" Jun Wuyao stopped in his tracks and turned his head to ask her.

"I... I don't know, but... it can stop pain." He said in a careful tone.

He saw her rare cautious look. The stifled anger in her heart was like a balloon that had been pierced by someone. In an instant, it was reduced by more than half.

"Open your mouth." Jun Wuyao hesitated for a moment