otome game no hametsu flag shika nai akuyaku reijou ni tensei shite shimatta

a brief description of the manga otome game no hametsu flag shika nai akuyaku reijou ni tensei shite shimatta… when i applied myself to the stone, i remembered my past life. i, katarina claes, an eight-year-old noblewoman, formerly an ordinary 17-year-old otaku schoolgirl, was caught… in an otome game that i had spent a lot of time in my past life. and who am i in the script? the villain, the main negative character! and bad guys don’t usually have a happy ending… shall we see what happens?