Apollo ni Sayonara: Let's Go Home!

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 The main character awoke after a serious illness and found that everything but his brain had been replaced by a mechanical human body.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 h...