All the steadfast friendship, crazy fighting, and blue cats you've come to expect... IN SPACE!
Shiki is a human who lives in a city filled with only robots. He considers the robots to be his best friends, and always takes care of them. Then, one day, he comes across another human - Rebecca, a girl who makes videos online to become popular. What Shiki doesn't know is that this encounter is only the beginning of an adventure that will span across the entire galaxy!