Kuromajo-san ga Tooru

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.

"Ms. Black Witch is a Big Sister? (Part 1) (Episode 14)
Chiyoko is asked by Megu to take her cousin, Momo, to the mall. Whilst at the arcade section, Momo coaxes Chiyoko's friend Touko Miyase into winning a mysterious hand puppet for her siblings. As Touko's siblings suddenly go missing, Momo is revealed to be Gyubid's underclassman, Touka Blossom, who is plotting to sacrifice Touko's siblings to summon a demon.