The Deceptive Ex Who Became the Male Lead

Tang Zhen transmigrates into the role of a shallow and vulgar ex-girlfriend in the male lead's campus novel. After accidentally binding to a system that requires completing dating missions to return to her original world, she finds herself unexpectedly falling for Ren Yanjing, a high-IQ scholar and scientific genius. As their bond deepens, the system suddenly upgrades and demands they break up within seven days, or she cannot go home. Learning that Ren Yanjing gave up his chance to study abroad for her, Tang Zhen chooses to break up to avoid dragging him down and to fulfill the mission. At the airport, just as the mission is completed, she suddenly learns that the world is about to collapse.