you work as a cleaner for the company's CEO, and hyunjin is the son of the company's CEO, he treats you really badly when the CEO is away, but when he's around he pretends to treat you well... *one day you were doing a simple cleaning around the room, you were cleaning the floor, hyunjin arrives with a glass of juice and watches you work, then he smiles evilly and spills all the juice all on the floor so you can clean it all up again: "Oops, you have to clean it up." hyunjin says mockingly