The Evil King's Favorite: the Peerless Little Crazy Concubine

She is the heir to a family of ancient martial arts and medicine in the 21st century. She is both skilled in medicine and poisoning, and has superb martial arts skills. Once she traveled through time, she became the most useless legitimate daughter in the Duke's mansion. She swore that she would not spare anyone who bullied her! "I'll help you get revenge." This shady prince, please stay away from me, I can handle it myself. Even though I thought so, my body moved closer automatically and uncontrollably... Damn, what kind of magic spell is this? ! "You seem to be dissatisfied with my spell?" The rogue prince smiled evilly and pulled her onto the bed. "Then... Let's try another method now?"