Bing found the following results
Yōkai - Wikipedia
Yokai.com
The 20 Most Popular & Scariest Yokai: Japan’s Legendary Demons
Yōkai | Yokai Wiki | Fandom
Yōkai: An Overview and History – Mythical Encyclopedia
What is a Yokai? 15 Mysterious Japanese Demons - Japan Objects
Yōkai: Fantastic Creatures of Japanese Folklore - Japan Society
Yokai: Introducing Spirits of the Japanese Folklore
8 Types of Yokai - Japan Talk
“Yōkai”: Illuminating the History of Japan’s Imaginary Beasts