She died of overwork and traveled back in time with a vow to destroy the Duke's territory as revenge. But her plan to be the "worst administrator ever" fails miserably when her sabotage attempts turn into miraculous successes, leading to bountiful harvests and happy villagers. To make matters worse, her attempts to annoy the Duke only lead to him becoming obsessed with her. "Why is this happening? I just want you to go bankrupt!"