Claymore is a Japanese dark fantasy manga series written and illustrated by Norihiro Yagi. It debuted in Shueisha's shōnen manga magazine Monthly Shōnen Jump in June 2001, where it continued until the magazine was shut down in June 2007. The series was transferred to the newly launched Jump Square, serialized from November 2007 to October 2014. Its chapters were collected in 27 tankōbon volumes.