After the Earth was struck by a meteor, humanity began to move out into
space, spreading across many different worlds. The GIS real estate
company has an important job: finding people the homes that they desire
across a variety of different planets.
The main character awoke
after a serious illness and found that everything but his brain had been
replaced by a mechanical human body. The trauma apparently affected his
memory as well, and he couldn't remember who he was or where he came
from. He had a frustrating sense, though, that he had a home he should
go to and people who were waiting for him.
With no way to find
them, he is passing the time as a GIS real estate agent. He and his
colleagues take on cases from many different kinds of people, and he
learns about their lives and their troubles as he helps them find a home
of their own.