[Beautiful and cool princess x loyal shadow guard|Secret love comes true|Forced love|Sweet and sadistic intercourse]
He is her sharpest knife and her most secret desire. On the night of the full moon every month, the princess who was poisoned had to call her shadow guard into the curtain to detoxify. From the cold orders to the out-of-control lingering, she just thought it was a last resort, but she didn't know that behind his words "Princess, I'm offended" was an infatuated love that has been engraved in her bones and blood for many years. When the empress' decree came to pass, she granted marriages to others, and also appointed beauties to marry her most loyal shadow guard... She realized that she could no longer bear his departure. But at the moment when the truth was torn apart, she saw clearly that deep in those eyes that were accustomed to forbearing, there was a crazy love and possessiveness that she had never noticed. "Your Highness, poison can be cured, but love cannot be cured. In this life, you can only be my antidote."