Asobi ni Iku yo!

Kakazu Kio is a high school freshman in Okinawa when a girl named Elis, who introduces herself as an alien and has cat ears, appears during a family memorial service. Soon after, both fervent alien worshippers and a government agency begin chasing Elis. Kio's childhood friend Manami, aspiring to join the CIA like her father, captures Elis. Kio then takes it upon himself to shield Elis from those seeking her.