The Arrogant Third Young Lady's Rise from Trash

I'll tear off your beautiful mask and show everyone exactly what kind of trash you are. A vicious concubine-born elder sister? I'll slash your faces and break your limbs, so you can see what true ruthlessness looks like. A heartless father? I'll sever our ties; if you provoke me again, I will destroy you just the same. With a single imperial decree, she is married off to the "sickly" Prince, who is rumored to be a man who drinks blood and eats flesh. A "sickly" Prince who drinks blood and sucks bones? It doesn't bother this young lady, and she certainly won't cause him any trouble. She only wanted to focus on curing her long-ailing mother, but she unintentionally became embroiled in a storm. She fell onto him, and as a result, she ended up carrying a little one in her womb. He, the leader of a mysterious organization, is cold, sinister, and a ruthless killer—yet he fell for her at first sight. But who could have known that on the wedding night the man had been looking forward to with such joy, the woman would actually run away while pregnant...