Nobuaki Kanazawa, a student reluctant to connect with others, faces a chilling revelation when his new class is targeted by a mysterious individual known as 'The King.' This enigmatic figure initiates the 'King's Game,' compelling every student to obey commands under the threat of fatal consequences within 24 hours. With a tragic past of witnessing the brutal outcomes of this deadly game, Nobuaki endeavors to caution his peers. Initially met with skepticism, his classmates only acknowledge the peril they're in after the game claims its initial victims. Trapped in a nightmarish scenario, Nobuaki stands at a crossroads: prioritize his own survival or strive to protect his fellow students as he failed to do in the past.