Being a princess is not a delicate flower, but a ruthless person who has been exposed to drugs since childhood. The country of Xiaoning was founded using witchcraft and poison-healing techniques. The country is weak and survives by sending princesses to get married every year. Li Tangning was thrown into the "Cave of One Hundred Poisons" by the imperial master from the age of five, where her bones and blood were tempered with highly toxic substances. By the time she was sixteen, her blood, nails, and hair could become poisonous, but she herself was immune to all poisons because she had been taking antidotes all year round. Her marriage was not a sacrifice, but a chess game laid out by Xiao Ningguo that had been planned for ten years - to let this "walking poison king" enter the center of power of the enemy country, use the wedding dress as a blade, poison the enemy's important ministers, disrupt the court, and let Xiao Ningguo make a comeback in the precarious situation.
