C1831 Rules of the Test

"Special rules? I wonder what kind of rule can this big brother tell me?"

Lu Shan said as he took out a pack of cigarettes from his pocket. He then took out two cigarettes from the pack and handed them to the two security guards.

The two security guards looked at each other. They saw that this kid was quite sensible, so they asked Lu Shan what kind of special rules he had.

In fact