Office worker Cecilia transmigrates into a novel as a doomed standin supporting character. A system gives her a survival mission: stay away from core characters and stick to her role to stay alive. She sees through the schemes of whitemoon Talia and refuses to become cannon fodder. Though she only wants to survive till the ending, she repeatedly crosses paths with cold topalpha CEO Veronica. Contract marriage, pheromone tension and business conspiracies unfold. Genuine feelings grow amid conflicts and dangers. Breaking the novel’s preset fate, Cecilia joins forces with Veronica to defeat villains, escapes the original tragic ending of the side character, and gains sincere love and a brandnew life of her own.