High school student Haru has a scary-looking face and is constantly mistaken for a delinquent, forcing him to live a stifling daily life. One day, he finds an abandoned kitten and can’t bring himself to leave it behind, so he takes it home. While caring for it, the cat suddenly transforms into a man with cat ears—!?
It turns out the cat’s true identity is an alien from Planet Nyaon!!!!
The alien, who calls himself Nia, has an outrageous goal: “to enslave Earthlings in order to live a life of laziness.”
Through a series of events, Nia ends up sticking around Haru’s place. Little by little, Haru starts to find life with Nia surprisingly comfortable…?

Original JP