After living through half a year of the apocalypse, her heart had long grown indifferent enough.
Her heart is also very small, temporarily only able to hold her family.
"Uh, okay." Du Yu was a bit dumbfounded, not expecting it to be like this.
"Let's go, stop staring, we have class later. Did you understand the questions I asked you to do a few days ago? If not, I'll explain them to you." Xu Mumu glanced casually at Du Yu.
"No, there's a lot I don't understand, you haven't even explained the later content to me, and you gave me problems first." Du Yu looked at Xu Mumu with grievance. The mid-term exam was over, and he thought he could finally have some fun, but before the break, Xu Mumu left him with several problems that the teacher hadn't even covered.
Yesterday, trying to do those problems felt like he was tearing his hair out, it was just too hard for him.
