Mrs. Sweetheart, You've Lost Your Horse.

She is just a little village girl from the countryside, with rough appearance and stupid mind. Her mother brought her back to the city just to marry a dying man for her real daughter. Who would have known that any one of the little village girl's mobile phone contacts would be the world's top boss seven years from now! Just take any test and be admitted to a top prestigious university! After a casual marriage, she found a mysterious boss who doted on her! "I've been looking for you for a long time... In this life, it's me who will protect you!" Her small body revealed the true face of her frail fiancé. He was her sweetheart who had been kind to her! She failed to prevent his death seven years ago. This time, she gave up everything to make him happy... Unexpectedly, the man who had always doted on her became cruel, cold-faced, and extremely strange. He strangled her neck and kissed her gently. "Really? You have to keep your words. If you become my woman, you will never recover..."