Bandai Namco released the opening movie for its upcoming crossover RPG, Accel World vs. Sword Art Online: Millennium Twilight. The video, viewable below, introduces various characters appearing the game and also features its theme song "S×W -Soul World-", performed by Kotoko and Luna Haruna.
Accel World vs. Sword Art Online is a crossover RPG between Accel World and Sword Art Online, two light novel series written by Reki Kawahara that have branched into various multimedia adaptations. The game is currently set for release in Japan for PlayStation 4 and PlayStation Vita on March 16, 2017. There is currently no news to report regarding a possible western release.