1. Without permission, you are not allowed to enter or exit the human world at will.
2. Don't wander around at midnight
3. Do not tease the underworld wife... (Pluto's calibration: He is mine!!!) The key point! ! !
4. Others... To be determined
"There are no rules in the underworld, but if you come back, then I will restrain this lazy ghost for you..."
Intention: There are no rules in the underworld, but when you come back, then I will restrain some ghosts for you.