When Himoto Sora, a transfer student with a strong sense of righteousness and aspirations of knighthood, enrolls at Utopia Gakuen, she stumbles upon a peculiar game among male students. In this game resembling virtual reality, girls are utilized as weapons in clashes for dominance, treated merely as possessions. Witnessing a girl's mistreatment, Sora intervenes, inadvertently becoming the game's inaugural female contender due to a surprising glitch.