Princess Atover bursts into Hiroshi Zenno's world when her capsule crashes through his classroom. She equips him with a powered suit that amplifies his abilities and anoints him as "Exper Zenon," thrusting him into a lethal competition where players battle to become the main character. She orchestrates this conflict while positioning herself as both its catalyst and the ultimate prize for victory, tethering her fate directly to the game's objective. Her core function is to unveil the game's existence to Hiroshi and define its deadly stakes, centering the narrative on the players' struggle.