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Book cover of Mary Sue
Mary SueDearbhla Kelly, Lisa Sterle, Meghan Fitzmartin

Characters in Mary Sue

3 characters, main characters first.

Main characters

  • Cassie

    A teenage fanfiction writer whose secret vampire fanfic and self-created original character are exposed at school.

Supporting characters

  • Mary Sue

    Cassie's self-insert OC who literally steps out of her writing into reality to help her navigate high school life.

  • Jessica (Cassie's fanfic OC)

    Cassie's vampire original character, who steps out of her fanfiction and into the real world.