This is the story of a star-hunting traveler, registration number 303, of the Planetarium Ghost Travel Company (a.k.a. PGT), which travels around the "slumbering planet to remember and preserve the remaining culture. After returning from a long vacation trip, 303 is reunited with his partner, air traffic controller 505, for the first time in a long time.
He extends his vacation further and sets off on a journey with 505. The long- awaited fifth volume of this series is also filled with wonderful words that make you feel at peace and many fascinating gadgets. *The content is written in Japanese only."
