Introduction: Gunshen tells about genetic locks as a mysterious technology of super-era, which can promote the unprecedented enhancement of body functions in speed, strength and senses. The people who successfully opened the genetic lock became the "agents" of the new era, and the leaders in the agents were called "the gun god." Around the new type of military locks, the various forces have fought fiercely and set up colleges to train agents. With the breakthrough and application of the experiment, and the coercion from the mysterious race, the world has gradually fallen into the mire of war. After the end of the war, the mysterious race disappeared, and the agents and gun gods became unprovable urban legends. The only two secret agents, the “deep sea” and the “wild snake”, respectively moved the base t