In Nan Yusheng's mind, her brother is always so simple, kind and innocent.
So much so that she had to be a bad person and kick away all the stumbling blocks in her brother's way. She was ready to enjoy retirement for the rest of her life as she was successful.
While living, a certain "simple and kind brother" began to miss her household registration book and wanted to be her husband?
Purpose: The male and female protagonists redeem each other