C140 Suffering from Loss due to Deafness

Gu Qian called Shi Xiu in and wrote a letter for him to send out. As far as Zhang Qiao was concerned, he couldn't be careless in the slightest. He had to investigate everything that he should and shouldn't investigate thoroughly.

"..."

"Yin, come here." Zhang Qiao came out with a small porcelain bottle. "This is my newly developed mosquito repellent