World
All the rice paddies are jammed into the world.
The world is basically just a bunch of rice paddies smooshed together, if you think about it.
かい
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To get around this world of rice paddies, you need to use a kayak (かい).
A rice paddy is mostly made up of water, just like our world, and you don't want to have wet feet. Use the power of your kayak to become a world traveler.