After Entering the Book, I Married the Male Lead's Sister

'''Next Story: After Enrolling in School A, I Differentiated into an Omega (Synopsis Below) Li Suimo knew that Qin Qing would never bother to attend her engagement ceremony with Qin Zhan. Of course, as a villainous female side character, Li Suimo’s role was nearly over after fulfilling her purpose as a stepping stone for the main couple’s love story. Why would Qin Qing come to help her? Li Suimo smiled bitterly. She had heard before that Qin Qing was fiercely protective of her own, but who started that rumor anyway? —At the engagement ceremony, Qin Qing, who was originally not supposed to appear, suddenly showed up. Dressed in a snow-white wedding gown, she stood in the spot meant for th...