Toaru Majutsu no Index x Dennou Senki Virtual-On: Toaru Majutsu no Virtual-On

In Academy City, there is a popular next-generation contest.

In reality, this is a hand-to-hand battle between gigantic Virtuaroids that appear on the streets. It's formally called as "Computerized War Machine Virtual-On". Since it can be argued that Level 5s and Level 0s are equal given the technique, it has spread with explosive force ...