Original: YÅ kai are a class of preternatural creatures in Japanese folklore ranging from the evil oni ( ogre ) to the mischievous kitsune ( fox ) or snow woman Yuki-onna . Some possess part animal and part human features ( e.g. Kappa and Tengu ) .
Simplified: YÅ kai are a type of creatures appeared in Japanese old stories , such as oni ( the evil ) , kappa , or tengu .