漫画助手山城圭吾（菅田将晖 饰）一直梦想成为畅销漫画家，虽然他有画功但却因为老好人的性格而无法刻画角色之“恶”。一次偶然的机会，山城目睹了一场杀人案，并开始创作以犯人为原型的漫画《34》。这部漫画大热，但模仿漫画里的杀人案件也开始陆续出现，而这时，凶手两角（Fukase 饰）再次出现在了山城面前，“您画的漫画，我把它变成了现实…”A kind man aspires to become a comic creator, but villains and evil deeds do not come easily to him, for he has little experience or natural inclination for them. Things take a surprise turn when he comes across a family who were described as idealized that are no more. He uses the real-life situation for his work.