Rail Wars! Nihon Kokuyū Tetsudō Kōantai (RAIL WARS!, lit. Rail Wars! Japanese National Railways Security Force) is a Japanese light novel series written by Takumi Toyoda with illustrations by Vania 600. 13 volumes have been published by Sohgeisha under their Sohgeisha Clear Bunko imprint; the series moved to another publisher starting with the 14th volume and 16 volumes in total have been released as of December 2019. A manga adaptation titled Rail Wars! Nihon Kokuyū Tetsudō Kōantai The Revolver was serialized in Mag Garden's Blade Online from 2012 to 2015. An anime television series adaptation aired between July and September 2014.