Start with Blackwatch

Yang Hao traveled to a parallel world. This world was in the 1980s. He thought he could rely on the experience of future generations to fly to the mall. As a result, "Ding, the Black Watch system was successfully bound. This system is committed to building the strongest force to watch the heavens." From then on, there was a mysterious military organization in the world that was seen by people on earth and a terrifying predator in the eyes of aliens. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.