Original title: The Underground Emperor: Starting from Running Away with My Sister-in-lawAlias: Rise of the underworld: The boss is dead, hug the sister-in-lawCatalog:Tags: male derivative, time travel, system, boss, fan fictionProtagonist: Ding XinIntroduction: [Korean variety show world + time travel + ruthless + system + boss + go for the kidneys instead of the heart]Gangsters, chaebols, politicians… When countless charming characters gather in the same time and space, what kind of passionate sparks will collide…You finish your performance and I come on stage. Let’s see how the protagonist stirs up the wind and clouds, covers the sky with one hand, and steps to the top step by step…My name is Ding Xin, and I keep my word!