The "Complete Edition" is available on several major Japanese e-book platforms:

Decoding the Mystery of the Moonlight Mile Manga Raw Downloads

Sites claiming to host these files may redirect you to harvest personal data.

by Yasuo Ohtagaki is currently active. After a long hiatus, the series resumed with its third part in late 2021. Official Reading Options

If you tell me what you're looking for, I can help you find: Official digital purchase links A summary of where to buy the physical volumes Other manga with a similar hard sci-fi feel.