Kuromajo-san ga Tooru!!  

Here Comes the Black Witch!!, 黒魔女さんが通る!!

Kurotori Chiyoko, an elementary school fifth-grader, enjoys studying the supernatural. A friend asks her to perform a love fortune-telling. In an attempt to call upon Cupid, she mistakenly summons Gyubid, a witch who claims to be the best instructor in magic. The training is rigorous and severe if one does not keep up with it. Despite this, Kurotori manages to conceal her additional studies from others because no one can see Gyubid.