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Kappa is one of most famous yokai.
Kappa lives in river or around lake.
He does mischief when a person approaches.
He pulls up "sirikodama" from the buttocks of the person.
Japanese I do not know "sirikodama" too.
Probably "sirikodama" is the internal organs.
Top of Kappa's head is plate
and he have a shell such as the tortoise.
and he has a web in hands.
