Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta...

I recovered my past memories when I was hit on the head by a rock. I am Katarina Claes, the eight year old daughter of the duke. In a feverish nightmare, in which the prince’s fiancee was determined, I have realized that this is the otome game from the previous life. Also, I have turned into the villainess that interfered with the romance of the capture targets… If the heroine got a happy end, I would be exiled, while if she got a bad end, I would be killed by the capture target… I have no happy end!? Why is it only bad!? Somehow I have to avoid the destruction end, and reach old age peacefully!! (Source: Novel Updates)