Toaru Majutsu no Virtual-On (とある魔術の電脳戦機 (バーチャロン) Toaru Majutsu no Den'nō Senki (Bācharon)?) is a crossover light novel by Kamachi Kazuma, featuring a crossover between the Toaru series and the arcade game series Dennou Senki Virtual On, commemorating the latter's 20th anniversary, released on May 10th 2016. Illustrations and mecha designs will be provided by Virtual-On's mecha designer, Katoki Hajime.