[Comicalization] The Villainess Was Supposed to Become a Widowed Countess and Die at the Beginning of the Story, but the Count Won't Die. Why?

Upon realizing that she has been reincarnated as the villainess in a novel, Marie decides to marry into an earl's family far away from the royal capital, the setting of the story. By becoming the widow of the earl—whose death is announced in a single line at the beginning of the story—she will live a peaceful country life!!