Book of Immortals: Disciple

Following her death in a plane crash, Celine discovers that neither heaven nor hell are options for her. Miraculously, she's transformed into the antagonist of the book she'd read prior to her demise. Now, she must navigate this strange new immortal life, knowing that the antagonist's journey won't end well. Between covering up her devil ancestry in an immortal school and trying to understand her feelings for a senior apprentice, can Celine circumvent her impending doomsday to create a favorable plot twist?