Chiyoko Kurotori is a fifth grade schoolgirl 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. She must learn to balance the grueling demands of her training with her normal school life.
(Source: Kuromajo-san ga Touru!! wikia)