Gegege no Kitarou (2018)
English name: GeGeGe no Kitaro
Genres: Comedy, Horror, Supernatural
Type: TV, Episodes: 97
Aired: Apr 1, 2018 to Mar 29, 2020
Studio: Toei Animation
Source: Manga
Rating: PG - Children
Synopsis:
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)