Perfect Answer begins following the film's events. Kurono and aliens are still fighting with beneath this purchase price of Gantz, a mysterious black orb, also he's near attaining the score he needs to reevaluate his buddy Kato. Outside his night missions, Kurono continues to live his ordinary daily lifestyle, spending some time. Meanwhile, the Gantz is covertly ordering young pop superstar Eriko to handle assassinations, and cop Shigeta inches closer towards discovering the facts regarding the Gantz missions. As the missions start to get dangerous for both the alien fighters and also the public, Kurono discovers that the endgame for Gantz is rapidly approaching.