Jiang Jiunan traveled through time and entered a world with holographic technology. Because he had to pay off his debts, he was "forced" to enter a holographic game. The game was well-made, with exquisite paintings and full of details. The NPCs in it were so smart that they couldn't be more realistic.
Until one day, Jiang Jiunan discovered that this game turned out to be a real world.
Purpose: Distinguish between true and false, don't be deceived