Sleeping Accompanied by Spring Tide and Rain

You should just die. It would be better if we didn't have a daughter like you!

I have a biased mother who treats me harshly but is incredibly kind to my cousin. My cousin, arrogant and bold, angered the tyrannical regent, a man said to be ruthless and fond of tormenting women. To spite her, he demanded an imperial decree to take her as a concubine. Watching my cousin cry her heart out, my mother turned to me and said, "Annie, why don't you marry in place of Violet?"

But she doesn't know that I had a romantic encounter with someone last night and am no longer pure. Her plan for a substitute bride is doomed to fail...