Is it allright to use this image?

[shinjin]

Jurisdiction

New Jersey

I found this image online and wish to use for my bookcover. I don't know the copyright,artist, all I know it is from Japan and is used in may placesfreely on he web. Is it possible to use this image with out permission?

 

[zddoodah]

Is it possible? Sure. Is it possible to do it risk-free? No, unless you do the research needed to confirm that the image is in the public domain (or, if it is not, to buy the right to use it).