The Beautiful President's Personal Bodyguard

Intro: He is a bodyguard, and moreover, the dark king of the world. Enemies who have heard his name tremble, and those who have seen him are already buried in the wilderness. However, the ice-cold CEO at home always misunderstands him, his best friend always wants to drown him, his twin sisters-in-law always cause him a lot of trouble, and the most detestable thing is that his damned master actually keeps sending a bunch of beautiful senior sisters to him.