Akira (Hayato Ichihara) admires Genyo Kamiura who is the most powerful yakuza. Genyo Kamiura has been targeted numerous times, but has never died. He is called the invincible person. Because of Genyo Kamiura, Akira enters the world of the yakuza. His yakuza colleagues treats him like an idiot, Akira can’t even get tattoos because of his sensitive skin. Akira becomes disappointed in the yakuza world, because it’s not like what he say in the movies. Especially, in terms of loyalty and charity depicted of the yakuza. An assassin is then sent to take out Genyo Kamiura. The killers know that Genyo Kamiura is a vampire.

Takahata Shun’s day at high school begins just as normal and boring as ever, but it doesn’t end that way. After his teacher’s head explodes, he and his classmates find themselves forced to play children’s games, such as Daruma ga Koronda (a game like Red Light/Green Light), with deadly stakes. With no idea who is behind this mysterious deadly game session, and no way of knowing when it will finally end, the only thing Shun and other students can do is keep trying to win…