Y/N Hargreeves was the sibling Reginald kept hidden from the others-a failed experiment with dangerous powers he feared. When Five returns from the apocalypse, he finds Y/N locked in a secret room inside the Academy. She's older, bitter, and unpredictable but stuck in her eighteen year old body just like five. Despite being siblings, there's an undeniable pull between them-perhaps a cosmic mistake, or something darker.
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