Read manhwa The Price Is Your Everything on Bibimanga
Princess Nerys, exploited by her half-brother and her maid, and poisoned after being abused by her family and husband, dies cursing all who tortured and exploited her, but she returns to the age of twelve, when all her misfortunes began. When she gets another chance, Nerys vows revenge on everyone who took advantage of her before she dies. “The turning point of my misfortune, of the beginning of my wrath. I will make you pay for what happened to me, this place where it all began.