>>50321212同人誌(ドウジンシ|Doujinshi) is a general term for self published comics, it can be published on the internet in webcomic format. So using doujin for this is nothing wrong. This strip is right to left, so it can easily be of japanese origin, and the art under the panel made it look like it might be a cropping.
Don't try to outweeb me, faggot.
