About My Brother Not Wanting to Be My Brother

Let me explain in advance: the heroine is not silly and sweet. She is innocent in the early stage but not stupid. The male protagonist is clean and the most important thing is that he has a mouth. The two are childhood sweethearts, and the male protagonist has been coveting her for a long time. The male protagonist's whole family (especially the male protagonist's mother) loves the female protagonist very much. Without a big sword, most of them are still very sweet. Two unexpected disasters caused Tang Yimo to lose everything. Just when she was desperate, he appeared. "Momo, can I take you away?" "Momo, can I take care of you?" "Momo, can I be your brother?" Gu Mochen's appearance lit up Tang Yimo. However, another disaster caused him to lose her. Four years later. "Momo, I can finally see you again. Let's go home with Brother Gu." "I remember I only have one brother, his name is Tang Yichen." Gu Mochen paused. "If you don't want me to be your brother, you can also call me husband." Tang Yimo: "What?" "I've waited too long, I love you Momo."