As a newly enrolled transfer student, Himoto Sora possessed a noble ambition of becoming a knight. However, upon arriving at Utopia Gakuen, she discovered a disturbing game where boys treated girls as nothing more than objects to be used as weapons. Appalled by this behavior, Sora intervened to save a mistreated girl, but unknowingly became the first female player in the game due to a technical error.
Bonus Chapter: Shitsurakuen (Preliminary Version)