Grell has a Little Sister?!

(Y/N) is Grell's mature little sister. She often has to take responsibility for Grell and her mistakes and try to keep her out of trouble as well as working a job as a grim reaper. When Grell gets tangled up in a fight with a demon butler, things start to change for (Y/N). All rights to black butler/Kuroshitsuji chara...

The Rising Demon |Black Butler| |Reader Insert|

Y/n L/n used to live with her sister, mother, and father. All together in a nice home on earth. Her father and sister were Angels, while her mother and her are demons. Neither kind resided in their homeland, for earth was far more peaceful. Eliza, Y/n's older sister, completely purged her demon side while Y/n kept her...