Ladies versus Butlers! is a Japanese light novel series written by Tsukasa Kōzuki, with accompanying illustrations by Munyū. The series includes 13 novels released between September 2006 and March 2012, published by ASCII Media Works under their Dengeki Bunko imprint. A manga adaptation by the illustrator group Nekoyashiki-Nekomaru was serialized in ASCII Media Works' Dengeki Moeoh magazine issues between June and December 2008. A drama CD based on the novels was released in September 2009. An anime series adaptation produced by Xebec and directed by Atsushi Ōtsuki aired in Japan from January to March 2010. It has been licensed by Media Blasters for release in North America.