And so the Demon King was reincarnated as a high school girl.

Once upon a time, that girl was a Demon King. The Demon King, who had committed every conceivable atrocity, ended her life and was reborn as an ordinary human girl with no power whatsoever. Yet even as a powerless girl, an evil path still lay ahead of her, as it had for the Demon King. "My, how greedy. There's no need to be so desperate—there's plenty more to have." Come now, eat up. With those words, the Demon King offered the tear-stained girl a rabbit-shaped slice of apple. ――This is the story of a villainess who was once a Demon King, as she discovers the truth.