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Saotome Ranma, a teenage martial artist, and his father Genma travel to the 'cursed training ground' of Jusenkyo in China. There, despite the warnings of the Chinese guard, they fall into the cursed springs.

GeGeGe no Kitarō focuses on the young Kitarō—the last survivor of the Ghost Tribe—and his adventures with other ghouls and strange creatures of Japanese mythology. Along with: the remains of his father, Medama-Oyaji (a mummified Ghost tribesman reincarnated to inhabit his old eyeball); Nezumi-Otoko (the rat-man); Neko-Musume (the cat-girl); and a host of other folkloric creatures, Kitarō strives to unite the worlds of humans and Yōkai.

One day, while searching for bugs in the woods, a boy named Nate (Keita in Japan) comes across a peculiar capsule machine next to a sacred tree. When he opens one of the capsules up, it brings forth the Yo-Kai Whisper, who gives Nate a device known as the Yo-Kai Watch.