After hitting her head particularly hard one day, Duke Claes' daughter, Katarina, suddenly recalls all the memories of her past life: that of a teenage Japanese girl. Just before her untimely death, this girl recalls playing an otome game... that is exactly like the world she's living in now! She is now Katarina Claes, the antagonist of the otome game, who nastily hounded the protagonist until the end. Knowing all the possible outcomes of the game, she realizes that every single possible route ends with Katarina being murdered or exiled! In order to avoid these Catastrophic Bad Ends, she has to use her knowledge of the game and her own wiles, starting with breaking off this engagement with the prince... Will Katarina survive while making her way through this world, where bad flags trip at every turn?
Source: J-Novel Club
The plot is the generic "i was sent into an otome game i was playing and now i'm the annoying villainess". The beauty of it though is how it was executed. Katarina isn't overly annoying to the point where you'd want to drop the whole series (but she is quite annoying), and all the other main characters just makes you want it to be an actual otome game from Katarina's POV. All of the main characters (capture target or not) have great personalities that lets Katarina's annoying ways be swept away. Totally recommend if you like otome isekai!
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