Kotetsu Tsugawa is one of five individuals gathered through anonymous messages and thrust into a psychological survival game orchestrated by a figure known as the Emperor. Compelled to engage in this high-stakes scenario, the participants face a single decisive rule: they must vote on the question "Do you want to live or die?" The outcome hinges on the majority vote, resulting in the execution of the majority group. This brutal framework forces complex interactions and strategic decisions among the participants, including Kotetsu Tsugawa.