Kei Nagai dies in a car accident, but realises he is a type of immortal known as Ajin. Hunted by humans, Ajin is eventually found by the government and used as a subject in cruel experiments. He finds fellow demi-humans along the way as he escapes and goes on the run.

5 university students gather to exchange information on their job search activities. They encourage each other and post their thoughts & worries on Twitter, but behind that they have a lot on their minds. Takuto Ninomiya observes those around him. His roommate Kotaro Kamiya has a bright personality and communicates well with others. Mizuki Tanabe is Kotaro Kamiya’s ex-girlfriend. Takuto Ninomiya has feelings for his roommate's ex-girlfriend. Rika Kobayakawa is determined to land a job. Takayoshi Miyamoto is critical of job-seeking activities, but he later tries to get a job.