The President's Underworld King

Leo Landon, the 'Emperor Satan' who rules the global underworld, returns home to break an engagement. By fate, he becomes the personal bodyguard of a beautiful female CEO. He easily defeats a rich heir, a business tycoon, and an overseas assassin organization. He wanted a quiet life, but 'ants' forced his hand. He kicks down the gate of an ancient martial arts sect, declaring: 'I'm here to take on the world of ancient martial arts!'