shiryō

right|thumb|200px|"" from the by Toriyama Sekien '''''' are the souls of the dead in Japanese folklore. This contrasts with , which are souls of the living.

==Summary== Classical literature and folklore material has left many mentions of , and they have various behaviors. According to the , they were considered ('vengeful spirits') that possess humans and perform a (a type of curse), but other than possessing humans and making them suffer like do, there are also stories where they chase around those who killed themselves, loiter around the place they died, appear to people they are close to and greet them, and try to kill those who they are close to in order to bring them to the other world.