High school student Shun Takahata is bored. Bored with the day-to-day monotony of school and life, he prays for change, for something exciting. Suddenly, he and his classmates are forced to play deadly children’s games and facing terrifying creatures from a talking Daruma doll to a sharp-clawed lucky cat.
Menceritakan tentang sekelompok pelajar SMA yang dipaksa untuk bermain permainan hingga mati tanpa mengetahui bagaimana cara bermainnya,siapa saja pemainnya, dan kenapa mereka harus bermain permainan itu.