Besties Enter the Book! Marry the Yandere! You Run, I Follow

Lin Yuan and Fang Hui step into a CEO novel to escape their tragic ending by calling off the wedding, only to be captured by the Gu brothers. Pretending to gain their trust, they insult the mother of the suitor for Gu Yanli, accidentally receiving a black card. When Lady Tang comes to cause trouble, Lin Yuan kicks over the table, and Gu Yanli stands by them, allowing them to go shopping. After a wild shopping spree, they secretly sell the items. To hide the truth, they constantly pretend to love each other, slowly winning the brothers' hearts. Gu Yanli plans to confess at a banquet in three days, but Lin Yuan and Fang Hui escape on that very day.