Takaya Kagami is a prolific light novelist whose works include the action and fantasy series The Legend of the Legendary Heroes, which has been adapted into manga, anime and a video game. His previous series, A Dark Rabbit Has Seven Lives, also spawned a manga and anime series. Yamato Yamamoto, born 1983, is an artist and illustrator whose works include the Kure-nai manga and the light novels Kure-nai, 9S -Nine S- and Denpa Teki na Kanojo. Both Denpa Teki na Kanojo and Kure-nai have been adapted into anime. Daisuke Furuya previously assisted Yamato Yamamoto with storyboards for Kure-nai.