The elementary schooler unlike any other, Kugi Kizutaka, is searching for "useful pawns" in order to achieve his own ambitions, comes to learn of Mizukura Risuka, a magician with the title "The Red Witch of Time." Risuka had left the Kingdom of Magic through the Gate, chasing after her father, a great mage called both "a God" and "a Demon." An unpredictable and unchained magical tale!
(Source: Kodansha, translated)
Note: The serialized chapters 16 and 17 were merged into one chapter in volume 5.