Mr. Gu, Please Be Gentle and Loving.

Before her rebirth, her fiancé got together with her best friend, brutally hurt her and killed her family. After her rebirth, she met him. He waited from before her rebirth to after her rebirth. He decided to treat her well, protect her for the rest of her life, and never give up on her again. She is Su Mianmian, and he is Gu Yunqin. One is the only daughter of the Su family, and the other is the only son of the Gu family. However, after the two met, Su Mianmian's life began to become magical. Things that she thought did not exist slowly happened in her life.