Deep-sea Prisoner's works take place in various worlds that seem to be connected to each other.
List of Known Worlds
- Human Worlds (Precise amount is unknown)
- Witch World
- Gray World
- Land of Sun (contains the Flame Underworld)
- Vicers' World
- Reficul's World
- Fumus' World (contains the Pitch Black World)
- Flower World
- Mogeko World (Unknown whether this is truly a "world")
- Tapir World