The protagonist took a break from college and devoted himself to his work as a professional relationship saboteur, in order to pay for his parents’ debts. A year ago, his guileless parents believed in others and were scammed, he believed in his girlfriend and was also betrayed. At that moment, becoming a professional relationship ender, for him who didn’t believe in others and hated lies, seemed like his calling. By making use of his special skills, he completed his job task smoothly and returned home, then he received a phone call from his boss. “One of your clients has requested us to appoint you as a rental boyfriend.” Will he accept this request? Will he be able to trust people again and become happy?!