Upon awakening, high school student Ichii Hana discovered that she and her fellow classmates were imprisoned in what appeared to be a human zoo. To add to the dire situation, they were coerced into playing a perilous game relying on their cell phones. With unwavering resolve, Ichii teamed up with classmate Inusawa Hana, whose personality contrasted greatly from her own but shared her name, to face the deadly challenge. "Even if I must abandon my ordinary life, I will persevere and survive," Ichii declared.
