An [[oni]] with [[blue skin]], or occasionally with some other form of blue color scheme. Often depicted alongside a [[red oni]], typically with humorously contrasting personalities. In such cases, the blue oni tends to be cooler and more cynical, while the red oni tends to be more hot-blooded.

h4. See also

* [[Aka Oni to Ao Oni no Tango]]
* [[Ao Oni]]
* [[red oni]]
* [[Tag Group:Legendary Creatures]]
青鬼