Ybur and Afu Jiala stealthily made their way back—the old researcher had indeed left.
On the way, Ybur couldn't help but ask curiously, "Who was that just now?"
Afu Jiala pursed her lips, "One of the aunt and uncle who took care of me before, and also my math teacher. To become a good Constructor, you need a solid foundation in engineering, so I have to learn a lot ... Among so many teachers, it's this old man who's the scariest."
Ybur said gingerly, "It's not easy for you."
In Ruby's memory, there was also a slight fear of math teachers.
At that moment, a new lift descended and docked in front of them. Afu Jiala pulled Ybur onto it, and as Ybur looked down, he noticed that the platform was also made of glass, with a transparent bottom that allowed a direct view of the lowest floor, and that faint fear of heights emerged again.
Afu Jiala swiped a card on the lift's control panel and inputted the command, sending the platform falling straight down.