Queen's Gate is a Japanese multimedia franchise centered on a series of visual books and character-based spin-off works featuring a crossover of female fighters and heroines from various anime, games, and manga properties. It is best known for its connection to the Queen's Blade universe and for adapting a variety of licensed characters into battle-oriented settings. Queen's Gate Spiral Chaos is one specific game entry in the broader franchise, but the main/master title used for the series is Queen's Gate.