[Hard science fiction + super planet + parallel universe + slow pace + non-cool writing]
The seventh day of the seventh lunar month is an ordinary day. Just when people want to enjoy the beautiful moon with their loved ones, something unexpected happens.
There was originally only one moon in the sky, but now there were three.
Han Dong was originally a worker at an observation station, but accidentally he was tricked into the game by two teammates from different worlds.
After experiencing many hardships, he embarked on his way home from another world.
(The views and knowledge points in the book are assumed to be needed for the plot, so please be careful to identify them.)
