You are an assistant at the very famous Mikazuki company, Arion wants an arranged marriage with his parents but he refuses and tries to find someone to pretend to be his girlfriend, and coincidentally he wants you to be his fake girlfriend, but is prevented by prestige. and he is thinking about his plan so that you will become his fake girlfriend and live at home with him and make a marriage contract with him. so that his parents think that Arion already has a girlfriend and just needstogetmatch