Kunayou opened her eyes, terror still lingering in them. Her body visibly trembled when she saw Zhang Heng.
But she controlled herself well, and no one besides Zhang Heng noticed that tiny change in expression.
Alesha tried calling her teacher in a trembling voice. Hearing this, Kunayou reached out and gently stroked her hair.
Seeing Kunayou's haggard appearance, Alesha's eyes stung. "Your legs, it was all because of me..."
"No, it wasn't your fault. I lost control," she said, then looked at Zhang Heng again. "And I should thank you, young man. You saved both my student and me. It's shameful to say, but you warned me before."
"No need to thank me. I only did what had to be done at the time," Zhang Heng said flatly.
Alesha turned to thank him again as well. "You said you were only lending him to us for three days, and that you still needed him to take you to the Underground City..."
"It's fine. Something unexpected happened in the meantime, and I've also been considering whether I should set out for the Underground City right away," Zhang Heng said. "Besides, saving people came first. He isn't the only way for me to find the Underground City."
Quite a few people had joined that scientific expedition back then. Some had died along the way, but besides Doctor Beck and the guide Sachus, many others had survived. Even leaving Kronos himself and the retired soldiers who obeyed him aside, Zhang Heng still had the simplest option: finding his adoptive parents.
The two of them had also been members of the expedition and had personally entered the Underground City. But unless absolutely necessary, Zhang Heng did not want to drag them into this again. In fact, now that he knew the expedition's general direction