Zannen-kei Akuyaku Reijou wa 3-nengo ni Hametsu suru you desu

Maria Uruwashi, a student of the private Hananomiya Gakuin, is a strong and selfish "villain daughter." She has no enemies when she goes in easy mode, but one day, she suddenly remembers. Her previous life was that of an ordinary high school girl. And this world... was one she had seen in a manga in her previous life !! According to the memories of her previous life, Maria Washi is killed by someone. And she doesn't know the criminal because she died before reading the ending in her previous life!! The world of manga, which is crowded with beautiful men and women, is full of romance. Can Maria really obtain happiness while avoiding the death flags?!

(Source: Kadokawa, translated)