Watashi wa Akuyaku Reijou Nanka ja Nai!!: Yamitsukai Dakaratte Kanarazushimo Akuyaku dato Omou na yo

A certan incident caused Sakura's life to end. Just when she was feeling down thinking that her life has ended, she suddenly found that she had reincarnated into the world of a novel she once read!... But she had reincarnated as the villanous noble lady Claudia. She possessed the blessing of Spirit King of Darkness and is hated by those around her; what's more, she was fated to die a tragic death! There's no way I'd let both my previous and present lives end in tragedy! She had began to change the future, but...
(Source: Alpha Manga)
Note: The total chapter count includes 3 extra chapters.