High school first-year Akira finds out he's less ordinary than he thought when he's thrown into the elite and mysterious AMO, a secret police organization in charge of managing relations between aliens and humans on Earth!

The inscrutable leader of the AMO, Amamiya, sees great potential in Akira. But the hapless high schooler is still seeing stars over the fact that aliens are real and walk among us! To test out Akira's abilities, Amamiya assigns him to be a bodyguard for an alien girl. To do this he'll have to join forces with his new partner Sho, who's not only the ace of the AMO squad but also the hottest guy at school!