Contract dating with my sworn enemy of 23 years

To avoid my parents' nagging, I started a contract relationship with my classmate from the maternity ward, whom I've known for 23 years. But then my parents told us to move in together and even prepared an officetel for us? In front of my parents, we're the world’s sweetest capitalist pro couple, but once the door is locked, we turn into sworn enemies who fight as easily as breathing, without even going through our brains. A forced cohabitation rom-com of enemies❣️ *This post is fictional