I Am A Hero follows the life of Hideo Suzuki, a failed manga artist trapped in a monotonous routine and hallucinations. Everything changes when a zombie outbreak ravages Japan, turning people into grotesque creatures that retain fragments of their personalities and habits. Hideo must survive in this chaotic world, armed with his shotgun and his unstable sanity. Readers enjoy this work for its brutal realism, the protagonist's psychological development, the originality of its zombies, and the constant tension between horror and black humor.