Marrying by Proxy and Marrying by Mistake: Being Targeted by Her Boyfriend's Crazy Criticizing Younger Brother

[Honest, kind and beautiful heroine × sinister male protagonist who criticizes scum + surrogate marriage + wrong marriage + forced love + brother substitute Shura field] As soon as she graduated from college, Xin Guining got married in a hurry. The man is her first love. He is handsome, kind-hearted, and comes from a well-off family. He is the marriage candidate unanimously approved by her and her parents. Because her boyfriend's grandmother was seriously ill and wanted to see her grandson get married and have children, Xin Guining couldn't bear her boyfriend's embarrassment and agreed to propose. The two families met formally, decided on a date after some discussion, and held a decent wedding for them as soon as they graduated. Not long after the marriage, Xin Guining faintly noticed that something was wrong. Her boyfriend, no, was already her husband. Her husband seemed to be a different person. His appearance remained the same, but his temperament changed drastically. The original gentleness and intimacy were gone, replaced by a coldness and alienation that was engraved in his bones, especially when facing his family. However, she could feel his deep love for her as always. When he looked at her, the affection in his eyes was so intense that she dared not look directly into it. She admitted that she preferred such passionate love. So, she comforted herself, the person was still the same person, and the face was still the same, how could it be possible that he was a different person? She made excuses for him, maybe it was his grandmother's serious illness and the change of identity that put too much pressure on him... She naturally allowed herself to be immersed in the joy of her wedding, and even followed her husband's advice to start preparing for pregnancy. A few months later, when she came out of the obstetrics ward with the pregnancy test sheet, a strange man jumped in front of her and stopped her, telling her in tears: I am your husband, and the one next to you is my twin brother!