Otome Game No Hametsu Flag Shika Nai Akuyaku Reijou Ni Tensei Shite Shimatta... is a Manga/Manhwa/Manhua in english language, Comedy series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

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