How she became the villain

How far can I sacrifice for love?

Everything I do for him is never enough;

But it's never enough;

I will never be enough;

Then;

There was her;

It's always been her;

It'll always be her;

"Qin Fen, why couldn't it be me. I've done everything for you. Why am I not enough" Xinfeng had said while tears were running down her cheeks

"Because you're not her and you will never be" Qin Fen said with a straight face as his anger was rising

A story of tragedy and redemption and how a girl's abysmal love for a man can lead to one's ruin