I Courted Death and Was Brutally Killed, Then My Soul Traveled to Ancient Times for Revenge

I was a self-destructive, all-around genius with a hopeless romantic streak. I married a gold-digging man by throwing myself at him. After our wedding, he cheated on me, then used a chainsaw to dismember me alive. But I woke up in the body of a palace maid in ancient times, only to discover that my husband and his scheming mistress had transmigrated too. They were now the Crown Prince and his Consort. I pretended not to know and got a second chance at life. I put my hopeless romantic side away, used modern knowledge to make firearms and start a business, grew rich, and earned the emperor’s favor. I married the ailing eldest prince and helped him recover, then joined forces with him against the Crown Prince to avenge the unspeakable murder he had committed against me. I’ll toy with him in this ancient world… Welcome to this revenge novel.