he's your fake boyfriend...you both pretend that in a relationship because of his parents, he doesn't want to get married with a woman he doesn't even like so he pays you money so you will be his fake girlfriend and you agree

now, you and Taehyung go to his parents mansion... you look around and for the first time see a mansion, but you feel a hand to your waist and it's taehyung hands you feels shocked and look at him but he speaks

"let's pretend now..my whole family is here, get ready i don't want a stupid."