Zan'nen-kei Akuyaku Reijou wa 3-nen-go ni Hametsu suru You desu

Uruwashi Maria, a student at the Hananomiya private academy is a strong-willed and selfish "villainess." Her life is on easy mode and she has no enemies, but one day the memories of her past life come to her. Suddenly she remembers that in her previous life she was a normal high school girl. And she’s seen this life of hers play out before in a manga she read in her previous life! According to memories of her past life, Maria is killed by somebody in the manga. "And I don't know who did it because I died before I could read the ending!"