In 20xx, a huge Rubik's Cube suddenly appeared above Blue Star.
Every 7 days, the Rubik's Cube will select 200 humans to enter it for a one-day death game.
The year after the Rubik's Cube came, Lu was selected one by one.
Darker, eat with caution.
Ps: The author's writing style is average and is written for fun. Updates cannot be guaranteed, so proceed with caution.