Witchcraft Works (ウィッチクラフトワークス, Witchikurafuto Wākusu) is a Japanese manga series written and illustrated by Ryū Mizunagi. The manga has been serialized in Kodansha’s good! Afternoon magazine since March 2010 and the chapters collected into 14 tankōbon volumes. An anime television series adaptation animated by J.C.Staff aired in Japan from January to March 2014.