"Modern College Student + Dandy Prince" A modern college student is reborn as a good-for-nothing third prince in a car accident. He appears to be a playboy, but secretly uses his knowledge of chemistry and physics to make soap, glass, and gunpowder. Becoming famous at poetry conferences, fighting wits in war, investigating corruption at the border, uncovering traitors, and dealing with conspiracies. From being assassinated to counterattacking, from being ignored to holding the power, he quickly counterattacked, killed decisively, and vowed to seize the throne.
