From the Start, I Got the Joker’s Skills

An ordinary gaming companion unexpectedly transmigrates to an unfamiliar world and becomes the ruler of a nation. But just as he is about to be hunted down by assassins, right when he seems destined to become the most miserable transmigrator of all, his golden finger activates, granting him the hero skills from the games he played in his previous life. From then on, he flourishes and builds a prosperous empire, one step at a time.