It was a romance novel. The male protagonist was called Leng Yu, the boss of a gang. I don't remember the name of the female protagonist. May I know the title of this novel?

It was a modern novel. The female lead's name seemed to have the word 'Feng' in it. The male lead had a younger sister. The female lead even had a miscarriage to protect her younger sister. Then, the male lead secretly sent them to a place where no one knew them. After three years or so, the female lead said that she wanted a divorce or something…