Description:

After dying in an accident, Leona wakes up in a novel as the third stepmother of the story's future villainess, Rebecca Petry. As Duke Ian Petry's only child, Rebecca is resentful, rowdy, and rebellious, terrorizing those around her. The duke orders Leona to raise his daughter, and she rises to the challenge, but the little girl is a formidable foe. To preserve the family's peace, Leona uses childrearing knowledge from her past life, but will she be able to turn this rugrat into a little lady? (Source: Tapas)

Alternative Titles:

I Became a Stepmother in a Dark Family That Cannot Be Rehabilitated, I Became a Stepmother of an Impossible Black House, I Became the Stepmother of an Irrevocable Dark Family, Rehabilitation Impossible: I Became a Stepmother in a Dark Family, ฉันกลายเป็นแม่เลี้ยงในตระกูลวายร้ายที่เกินเยียวยา, 危険な黒幕一家の継母になった, 我在極惡家族當繼母, 重生为无可救药暗黑家族的继母