C797 ​

Yang Xifeng and Qin Muchen were quite nervous in the research room. Although failure wouldn't bring any side effects, it would be best if they could succeed in one go.

"This is something that Zhang laoshi and I developed together."

Yang Xifeng was in the academic world, so she was more polite in her way of addressing the Radiant Pavilion Master. She called the Radiant Pavilion Master teacher