Kuromajo-san ga Tōru!! (黒魔女さんが通る!!, lit. "Here Comes the Black Witch!!") is a Japanese children's novel series written by Hiroshi Ishizaki and illustrated by Kaori Fujita. The series was launched on Kodansha's Aoi Tori Bunko imprint between July 2005 and February 2012, releasing 15 volumes during its run. An anime television adaptation by Shin-Ei Animation was broadcast in Japan from April 4, 2012 to February 19, 2014.
Kurotori Chiyoko is a fifth grader who loves the occult. One day, she tries to divine her friend's Cupid, but thanks to a stuffy nose summons a witch named Gyubid instead. From that day on, Gyubid becomes Chiyoko's magic instructor, and must learn to balance the grueling demands of her training with her normal school life.