This world isn't just what ordinary people know; there's also an underground world that ordinary people don't come into contact with. Government agents secretly handle troubles, and tycoons hire assassins to solve problems privately. There are assassins, mercenaries, arms dealers, and spies. There's a dark web that connects this world, and there are tycoons who try to control everything with money. Gao Yi broke into the underworld, and with his unmatched close-combat skills, he carved out his own territory. But in this world, there are guns. Beyond seven steps, guns are faster. Within seven steps, guns are both accurate and fast. Within three steps, only Gao Yi's fists are faster. If you can't beat them, join them. Gao Yi chooses to have it all. He becomes the king of assassins in the mercenary circle, the king of spies in the eyes of assassins, the king of assassins in the eyes of spies, and the king of intelligence in the eyes of arms dealers. Until he is crowned king of the entire underworld, Gao Yi...