We sat down on the sofa at the same time as we got inside the facility. We felt very tired. The night was over and we had no rest made to clean the old library. Think about it, we had just cleaned the old library and it was already night. I looked at Zero next to me and leaned on the sofa.

"I told you not to join, you're just get tired." I said so he looked at me and shook his head while smiling.

"I told you I'm okay, I didn't know it was that hard to clean." He said so I smiled.

"Hoi, Moon." I looked at the...