Gunsmoke in the Starry Sky

Lei Zhan, who retired from the army, woke up and found himself in a crater on the moon. After encountering the fifth kind of contact, he established a deep friendship with an alien named Karamu. As the story develops, it turns out that not only are there smoke battlefields on the earth, but wars in outer space are even more complex and diverse! Alone in space, the wonderful universe is full of infinite possibilities, but there are also hidden gunfire and gunfire everywhere. How will he survive, and will he be able to return to Earth? Will returning to Earth bring gunfire and gunfire to the earth? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.