Gegege no Kitarou (2018)

(Esta sinopse está em inglês. Ajude a comunidade traduzindo!)

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Nearly twenty years into the 21st century, people have forgotten the existence of youkai. When a number of unexplainable phenomena plague adults of the human world with confusion and chaos, thirteen-year-old Mana writes a letter to the Youkai Post in search of answers, only to be greeted by Gegege no Kitarou...

(Source: Crunchyroll)