Lin Yu has been transported to a new world, where he becomes the eldest son of a powerful noble family. Surrounded by beautiful maids and with a family business to inherit, his life seems perfect. However, he soon discovers that this world is far from simple, with various mysterious forces lurking in the shadows, making even the strongest humans powerless. Fortunately, Lin Yu possesses a martial arts modifier, which can enhance, deduce, and merge martial arts techniques, turning even the weakest skills into dragon-slaying arts. 'What are demons and monsters? I fear no gods, I will crush them all with one punch!'