“karasu” was used as a cover art in the “Fantasy Scroll Mag -Kickstarter Teaser-” which is a short stories magazine under the theme of SF, fantasy, horror and so on in USA.
Fantasy Scroll Magazine – Science Fiction and Fantasy Short Stories
Kickstarter Teaser 
Fantasy Scroll Magazine is a quarterly magazine, and seems to be free magazine at present, because be managing with raised donations using crowdfunding.
As this issue is “Kickstarter Teaser”, seems to the booklet for crowdfunding.
Fantasy Scroll Magazine – Fantasy, Sci/Fi & Horror Stories (Kickstarter)
Website of Fantasy Scroll mag
fantasyscrollmag.com