COSMOS

A student named Kaede investigates a missing person case and uncovers that his classmate is an alien disguised as a human. An insurance investigator named Rin, who is both attractive and unfeeling, thanks Kaede and recruits him. Kaede's job interview results in a large-scale fight on a train, betrayal by an alien, and the discovery of a concealed spacecraft. Before making a decision on the job, Kaede finds another alien living among humans, who has a sorrowful background.