To reclaim Tokyo from the influence of evil syndicate Amarariruku, Shy leads her team of heroes into the black sphere at the metropolis's heart. Once inside, they discover that its citizens have been transformed into...zombies?! In the hopes of returning them to normal, Shy sets her sights on the central tower-but the short-tempered Doki, member of Amarariruku, appears to block her way. An all-out battle between the infiltration team and their villainous opponents ensues!!