I Didn't Swing My Sword and Dragon King Started Screaming.

Zhu Hongman, who traveled to the end of the modern world, has a system. Who is Zhu Hongman? Thousands of years ago in Zhuangzi, the man who spent all his money to learn the art of slaying dragons rushed to the street. As a result, he discovered that there were dragons in the last days, which made him extremely happy. It's all because you didn't show up that I've been laughed at for thousands of years! Look at me - draw your sword and chop! ! ! Dragon King: Jie Jie Jie, huh? Wait... Wait a moment...