C257 Professor or Beast

"Professor, aren't you tired of having so many subjects for your experiments?" It has already been a week since the last time Professor Qiu Hefei frightened Qin Xuemei. In order to solve the problem, as well as to solve the doubts in my heart, I came to Qiu Hefei's house.

Professor Qiu took a sip of tea, pushed his glasses up, and laughed: "Sun Hao, this is a must