"Kyoukaisenjou no Horizon: Zero - The Novel" is a Japanese light novel series written by Minoru Kawakami. It is set in a post-apocalyptic world where various factions vie for power and survival. The story follows a group of characters as they navigate complex political landscapes and engage in battles, blending elements of science fiction and fantasy. The narrative features a rich cast, including Horizon Ariadust, a key character who plays a significant role in the unfolding events. The series is known for its intricate world-building and detailed character development, appealing to fans of the genre.