ng, maybe only in his sophomore year. How could he possibly be a guest professor"Don't worry about that, you can take it as a joke." Fang Yu said."Oh." Song Liuge looked confused and nodded, saying, "...After that After that, we were teleported back to the starting point of the canyon." Fang Yu said.Upon hearing this, the ancient demon emperor's brows furrowed, a hint of surprise on his face as he as...