The Princess Is Useless: the Poisonous Doctor and the Crazy Concubine

She is the miraculous poison doctor of the 21st century and the famous killer Mandala. He is the ghost king who sees the dragon but never sees its end. During a mission, she traveled back to the body of the good-for-nothing young lady who lived in the Prime Minister's house. My father doesn't love me, my aunt doesn't love me, huh, look at me divorcing my husband, torturing my mistress, splitting space, and collecting mythical beasts... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.