We Traveled Through the Country of Lu: Awakening the Firearm System and Becoming a God

The male protagonist was secretly watching something that children shouldn't see at home. He was suddenly interrupted. In the blink of an eye, he found that he had only one pair of underwear left and was in a different world. Fortunately, there is no way out! At the beginning, the system prompts that you have won the title of Gun King and awakened the god-level gun arsenal! The gun king of another world is officially here!