10. Yuki-Onna
https://www.faena.com/aleph/articles/ghosts-and-demons-of-japanese-folklore/
https://en.wikipedia.org/wiki/List_of_legendary_creatures_from_Japan
https://en.wikipedia.org/wiki/Yuki-onna

9. Oiwa
http://www.scaryforkids.com/oiwa/
https://en.wikipedia.org/wiki/Yotsuya_Kaidan#Ghost_of_Oiwa

8. FunaYurei
https://en.wikipedia.org/wiki/Funayūrei

7. Konaki-jiji
https://en.wikipedia.org/wiki/Konaki-jiji

6. Ittan-Momen
https://en.wikipedia.org/wiki/Ittan-momen

5. Oni
https://en.wikipedia.org/wiki/Oni

4. Namahage
https://en.wikipedia.org/wiki/Namahage

3. Kuchisake-Onna
https://en.wikipedia.org/wiki/Kuchisake-onna

2. Amazake-Babaa
https://en.wikipedia.org/wiki/Amazake-babaa

1. Tenome
https://en.wikipedia.org/wiki/Tenome