Novel Bin 
It has been adapted into comic：CEO’s Sudden Proposal / Flash Marriage Deep Love
She didn't understand why he took her to get married at first sight. She was just friendly to his daughter at the hospital, but she did not expect that his daughter haunted her to be her mother. It's only the first day of their meeting!
She thought he married her only because of his daughter, but in fact, he was deeply attracted by her kindness and simplicity, and he loved her deeply.
For the rest of her life, Will she love him like he love her?