Nano Machine is a popular Korean web novel and manhwa that blends martial arts, sci-fi, and cultivation. It follows Cheon Yeo-Woon, an orphan from the Demonic Cult who faces endless struggles due to his low status. His fate changes dramatically when a descendant from the future injects him with a powerful nanomachine, granting him extraordinary abilities. With advanced technology enhancing his body and mind, Yeo-Woon embarks on a journey to rise through the ranks, uncover hidden secrets, and reshape the martial world.