When high school student Kaede is hired to use his uncanny ability to sniff out fact from fiction for Cosmos, an intergalactic insurance agency, he embarks on a journey that is out of this world!

Kaede's search for a missing classmate leads to the shocking discovery that his friend is actually an alien in a human flesh suit. Grateful for Kaede's help with her case, cute and ruthless insurance investigator Rin headhunts him. Kaede's job interview leads to an epic battle on a commuter train, alien treachery, and a hidden spaceship. But before he can decide whether to accept the position or not, Kaede discovers another alien hidden in plain sight--one with a tragic story to share.