Aliens walk among us—but they’re just two bros, hanging out in Tokyo. Oh, and they’re on a mission to colonize Earth.

Fuyunosuke Tanaka is a perfectly ordinary college student, except for one thing—he’s secretly an alien. He and his brother Natsutaro are on a mission to study the people of Earth and evaluate the planet’s resources, but adapting to life on this new world might be a bit harder than they bargained for.

As hard as Fuyunosuke and Natsutaro worked to succeed in their mission, their efforts were all for naught. Now that the plan to colonize Earth has been suddenly canceled, the two are faced with a difficult decision—should they return to their home planet or remain here on Earth?