Reborn as a Wicked, Twisted Woman: Erasing the Male Lead

Unhinged + deranged + twisted + imprisonment + humiliation + multiple personalities + lovesick obsession + reversals + feel-good The heroine looks as pure as a white flower, but is actually bound to a cruel, twisted, lovesick woman. She approaches the hero solely to kill him and become the story's one and only protagonist. The hero is obsessive, suspicious, ruthless, and calculating. Using an identity he stole, he plots step by step, killing, imprisoning, and repeatedly tormenting her psychologically. They are both utterly insane. Which of them is more deranged? Who will die at whose hands?