Abuse Me, Harder! Go on, Give It All You've Got!

After her family fell on hard times, the female lead, Li Siyao, had no choice but to sell herself. There, she met the male lead, Wu Tianhao.

Wu Tianhao was handsome, rich, and from a powerful family, yet he was also an innocent virgin. He cared for Li Siyao in every way, but she kept misunderstanding him and thought he was a playboy. For a while, the two were deeply in love. Then the male lead's father appeared and revealed that the female lead was actually the male lead's long-lost younger sister, an obstacle that kept them from being together.

In the end, the male lead dies, and the female lead spends her life in regret while pregnant with another man's child.

This story starts with angst, turns sweet, then swings back to angst and sweetness before becoming nothing but angst.