One day, under the temptation of the grocery store owner, he passed through doors one after another and came to a space parallel to his world.
Nothing seems to have changed here, and there seems to be earth-shaking changes.
He couldn't find his parents in the parallel space, and he was obsessed with this real or fake reality. Finally one day he discovered that warmth may not always be warm, coldness does not exist all the time, and the mirror will eventually break...
Purpose: Facing reality