Fist to Rule the World, Start by Speeding Through the Kowloon Walled City

In modern society, Chinese martial arts is in decline. Li Gang, who is terminally ill, wants to restore the glory of Chinese martial arts but is unable to do so. On a day of heavy rain, Li Gang accidentally got involved in the world of the heavens and discovered that the reason for the decline of Chinese martial arts was actually because there were demons and monsters causing trouble in the history of China. Therefore, Li Gang traveled through the five thousand years of Chinese history, integrated national martial arts and demon-slaying arts, slayed demons and demons in the world of heaven, and recast the glory of Chinese national martial arts!