Seven days of crime and punishment are comparable to ten days of punishment. "When you find that all the clocks have stopped at seven o'clock and seven, the judgment has arrived."
A "realm of Hades" suddenly appears and draws certain people into a seven-day cycle from which they cannot escape. Participants must complete a trial game with the theme of "Seven Deadly Sins" every day - the loser disappears forever, and those who pass the game can make a wish to Hades.
But what no one tells the participants is:
1. Desires require equal exchange
2. The judge was the one who cleared the previous round
3. The seven-day cycle has been repeated hundreds of times
4. Time in the real world is different...