C44 About Lock

Lu Xinfei had heard this sound before. The first time she heard it, she thought it was Lin Yuheng typing on the laptop in his room, so it was especially easy for Lu Xinfei to remember this sound. Wasn't this the same sound as the one in the System's Dimension? A grocery store? The grocery store is coming out?

"Sorry, in order to not break the rules of survival for normal people