Black Tooth Tower

In the seemingly glamorous academic palace of Northern Pharmaceutical University, graduate students Lin Lei and Hou Liuer embarked on completely different fates. Lin Lei was lucky enough to meet his gentle and enlightened mentor Xiu Xianming, and he explored scientific research with respect and guidance. Hou Liuer fell under the strict and utilitarian "boss" He hope and became a scientific research coolie, struggling under the monitoring of the time clock machine and endless all-night experiments.