Akuyaku Reijou desu ga Shibou Flag Kaihi no Tame ni Seijo ni Natte Kenryoku wo Koushi Shiyou to Omoimasu

One day, Letisha realized that she had been reincarnated as a "villainess" (6 years old) who was doomed to die in an Otome game. According to the game's plot, she will be condemned by her fiancé, the second prince, at the age of 18, and even her fiefdom will be taken over, in the worst possible outcome. To start, she saved her poor territory with...