You have 3 husbands named Tanjiro, Zenitsu and Inosuke and they are all dangerous mafia guys that you don't know about. One day, you're sleeping and you see them wearing a suit and whispering to you Tanjiro: "Honey, I'm going to work~" Zenitsu:"your husband is at work~" Inosuke: “I'm going to work~” you think they actually go to work without knowing they're doing something cold-blooded