It about a girl ( FL) repeats her life multiple times,and every time she dies she wake wakes up in her bed just a few moments before she's sold off the a family that wants you use her powers the kill the crown prince. It prevents the crown prince from sleeping and messes his mind... after reliving her life according to their will the fl decides to save the prince this time.
Thank you so much. You're my hero
My memories a bit fuzzy since I haven't seen it in months
The mc was Isekai into another world,but in here she was forced to pretend to be a man and dark magic was used to change her appearance ( she's a Duke and is best friends with the crown prince ). Then news hit that the princess went crazy and when the duke( mc ) met with her out of concern it turns out she was also Isekai into that world. However she tells the duke that they are in a dark romance bl,and to avoid the tragic ending the duke has to be the one to end up with the bl mc.
So the princess and she become bbfs basically and are training her( duke) to be the perfect yandere
Sorry for the long paragraphs
https://www.mangago.me/read-manga/the_maniacs_are_obsessed_with_the_fake/ ?
THIS IS IT
THANK YOU SO MUCH (づ￣ ³￣)づ