Hideo Suzuki is a 35-year-old mangaka assistant, whose life appear to be caught round his exhausting however low-paying job, unfulfilled desires, unusual hallucinations and unsatisfying relationships. He sees himself as a supporting character in his personal life, has low shallowness, leading to frustration. At some point, the world as Hideo is aware of it's shattered by the presence of a illness that turns individuals into homicidal maniacs, whose first intuition is to assault and devour the closest human.