Kizumono Reijou desu ga Mamahaha ni Narimashita: Watashi wo Oidasou to Shite Ita Kazoku kara Dekiai Sareru made

Yvette, the eldest daughter of the Cleaves marquis family, dreams of “bearing and raising the child of the person she loves.” But one day, she receives news that her fiancé has died in the war. Then, on the day of the funeral, the crown prince informs her that she is a “damaged” and “infertile” woman, and furthermore orders her to marry Grand Duke Owen Langford, a man feared as a “war maniac.” In order to protect the Cleaves family, Yvette agrees to marry Owen, only to discover that he has no fewer than three children. And since the children cannot accept their new stepmother, they do everything they can to drive Yvette out of the house... Will Yvette be able to overcome rejection and misunderstandings to build a true family with them? And moreover, what is the hidden truth behind this marriage of convenience...?