Luluco is a perky middle school girl who only wants to be normal, living in Ogikubo, an interplanetary melting pot of humans and aliens as well as the sole Space Immigration Zone on Earth. However, her father, who works for the Space Patrol, swallows a volatile sleep capsule by accident and becomes frozen solid! To make matters worse, Luluco inadvertently fractures him, so she rushes to his workplace for assistance. Over Justice, the chief of the Space Patrol, recruits Luluco as a space temp worker for undercover investigations in order for the institution to crack down on crime within her school.