Leonel slipped through the city gates completely invisible to the eyes of the guards. He didn't feel like going through an inspection process nor did he have anything proving his status as a Prince outside of his face, so he felt that it wasn't worth it.
After he was a distance away, he found a location to reappear and blended into the crowd. With just a few minutes of observation, though, Leonel realized that things weren't so simple.
Whether it was the residents of Earth that lived here or the tourists from other worlds, each had their own identification cards. It only took Leonel a moment to realize that Earth had replaced its original monitoring system with another one. What was surprising, though, was that this monitoring system was both less intrucive, and most surprisingly, it revolved around the very same wrist watch the people of Earth had always had.