>>2435957Pixiv. Gelbooru and Danbooru both take from pixiv. This is a good thing as artists there seem to like to post stuff but then take them down sometimes.
I'll give you the run down
>pixiv is unorganized to all hell, tags a pretty much just Name of characters present and Show from>some don't even tag>Tomoe Mami in nippon is 巴マミ which is also her tag>If someone here posts an image from pixiv (like pic related) it has a certain file name, in it is a large block of numbers and a page number if it is part of a set>to find the artist you can either find it on gelbooru or danbooru and hope the uploader linked the creator or take that number block, put it into google with Pixiv after it and it should link you to the artist>make sure that when you are saving images from pixiv that you click on it first to get the full size, and to also see if there are more images attached to it>>2436137D'art is good for real artists but full of mangaka want to be's with low quality works/crazy fan base.