Situated on Blue Island, the Manifestation Engine has been the answer to the world's energy problem for five years. On the neighboring island of Izu Ooshima reside the cheerful Akane Isshiki, her dependable little sister Momo, and her grandfather Kenjirou, one of the inventors of the Manifestation Engine. As they live peacefully alongside the powerful creation, it all seems like a dream until mysterious entities known as the "Alone" appear seeking to destroy it. With military forces failing to repel the invaders, Kenjirou grants Akane a special key containing the "Vivid System"—empowering her to fight the Alone. Joined by Aoi Futaba, Wakaba Saegusa, and Himawari Shinomiya, Akane and her friends stand together in the battle against the unforeseen enemy as the last hope for humanity.

The story revolves around the members of a private military company (PMC), and the uneasy tension between them and the regular military after a war that caused massive environmental destruction. (Source: Animekon)

Neo Hong Kong, 2097: The world has changed. Advances in genetic engineering and cybernetics have created an environment full of artificially enhanced humans and intelligent super-computers that operate using biological software. But the same technology that has allowed man and machine to merge has made both susceptible to a new kind of threat—digital viruses capable of controlling their hosts. (Source: ANN)

Though Hibiki and crew defeated a super-huge battleship of the earth in the last of the first stage, they noticed five battleships further aiming at Mejeiru and Tarahk. And, crew of NIRVANA learnt Tarahk and Mejeiru which were their home had been faced to the crisis of Karitori (reaping). Travel to their home is speed up so that they may inform of the crisis. On the way, current information of the earth having been brought by girl Misty who had come to travel with them was worse than they can imagine. Hibiki and crew noticed a true fight was in the future. VANDREAD is finally changed into final system by the attack of the enemy who becomes violent more and more. Can they save their home? And, what happens to the relations between Hibiki and Dita? (Source: AnimeNfo)