とある魔術の電脳戦機 (Associated Names)

To commemorate its 20th year anniversary, that legendary arcade game makes a miracle collaboration with “Index”! 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…